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Physical geography
North America's different environments shaped how Native societies migrated, settled, obtained food, organized themselves, and interacted with the environment.
Southwest environment
In the Southwest, Indigenous peoples such as the Hopi and Zuni (among others) developed farming supported by irrigation and dry-farming techniques. In some places, communities built multi-story, multi-room structures often referred to as pueblos.
The Southwest is frequently used on the exam because it provides clear links among:
arid environment
irrigation technology
settled agriculture
village-based society and trade
Hohokam irrigation
The Hohokam built irrigation canals and check dams to bring water to crops in the dry Southwest.
Effect of Southwest irrigation
Canals required permanent construction and collective labor, encouraging permanent towns and more centralized authority.
Great Plains environment
Dense prairie sod was difficult to break with wood or stone tools, making large-scale farming difficult; bison became the major food resource.
Great Plains settlement pattern
Because bison were mobile, Plains societies became mobile too, using portable housing and flexible bands that combined for summer hunts and separated for winter.
Mississippi Valley environment
Annual flooding renewed soil fertility, allowing dependable maize production and large agricultural surpluses.
Cahokia
The major Mississippian city that reached about 10,000–20,000 people around 1100 CE and built massive earthen mounds such as Monks Mound.
Why Cahokia became large
Maize surpluses supported nonfarmers such as priests, rulers, builders, and other specialists.
Northeast environment
The Northeast lacked one overwhelmingly abundant resource, so societies diversified through farming, hunting, fishing, and gathering.
Northeast settlement pattern
Villages often relocated every 10–20 years as firewood and soil fertility declined.
Northeast coast and California
Some societies developed permanent villages, dense populations, hereditary rank, and no agriculture because reliable foods such as salmon and acorns were available.
Salmon and acorns
Salmon runs and processed acorns provided reliable, storable food that could support permanent settlements without agriculture.
Inca
Andean civilization centered in Peru known for stone architecture, roads, bridges, terraced agriculture, centralized government, bureaucracy, and quipu record keeping.
Inca stone architecture
The Inca built highly precise and impressive stone structures.
Inca road system
A vast network of roads and bridges used for communication, trade, administration, and military movement.
Inca agriculture
Used terraced farming to grow crops in challenging mountainous environments.
Sapa Inca
The ruler of the Inca Empire, considered descended from Inti, the sun god.
Inca social hierarchy
Highly hierarchical society with the Sapa Inca at the top, followed by nobles, priests, and commoners.
Inca government
Centralized and highly organized, with an extensive bureaucracy and administrative system.
Quipu
Knotted strings used by the Inca for record keeping and administration.
Inca religion
Polytheistic religion focused on natural forces and deities, especially Inti, the sun god.
Inti
The important Inca sun god; the Sapa Inca was believed to be descended from him.
Maya
Civilization in Mesoamerica centered on maize agriculture, famous for city-states, writing, calendars, mathematics, astronomy, architecture, and art.
Maya cities
Elaborate planned cities containing pyramids, temples, palaces, and other monumental structures.
Maya writing
A complex hieroglyphic writing system capable of recording information about their society.
Maya calendar
A sophisticated calendar system combining solar and lunar cycles for ceremonies and agricultural planning.
Maya mathematics
Advanced mathematics that included the concept of zero.
Maya astronomy
The Maya developed a detailed understanding of astronomical movements.
Maya agriculture
Used slash-and-burn agriculture and developed terraced fields.
Maya political organization
Organized into independent city-states, each generally ruled by a king.
Maya social hierarchy
Included kings, nobles, priests, and commoners.
Maya art
Produced intricate pottery, textiles, artwork, and monumental architecture.
Aztec
Central Mexican civilization centered at Tenochtitlán, known for military conquest, tribute, chinampas, polytheism, and human sacrifice.
Tenochtitlán
Aztec capital built on an island in Lake Texcoco, featuring causeways, canals, and impressive architecture.
Chinampas
Highly productive raised agricultural plots sometimes called floating gardens, used to grow crops in the marshy environment around Tenochtitlán.
Aztec tribute system
Conquered regions were required to provide resources and goods to the Aztec Empire.
Aztec religion
Polytheistic religion in which human sacrifice played an important ritual role.
Aztec human sacrifice
Captives of war were sometimes sacrificed to gain the favor of the gods, including through heart sacrifice.
Aztec military
A powerful military that expanded the empire through conquest.
Aztec education
Formal education was important, especially instruction in history and religion for nobles.
Aztec art
Intricate artwork often focused on religion, mythology, and the gods.
Maize origin
Maize was domesticated in the Balsas River Valley of southern Mexico roughly 9,000 years ago.
Maize domestication
Thousands of years of selective breeding transformed wild teosinte into maize with more kernels, softer casings, and cobs that stayed together.
Teosinte
The wild ancestor of maize, a grass with only about 5–12 kernels enclosed in hard casings on a spike that naturally shatters at maturity.
Why teosinte was useful to wild plants but bad for farmers
Its hard casings protected seeds and its shattering spread seeds naturally, but farmers wanted softer kernels and cobs that stayed together.
Modern maize dependence
Modern maize cannot reproduce effectively without human cultivation because its kernels remain attached to the cob and seedlings can crowd each other out.
Maize reaches Southwest
Maize reached the American Southwest roughly 4,000 years ago.
Maize reaches Eastern Woodlands
Maize reached the eastern woodlands around 900–1000 CE.
Why maize spread slowly north
Maize varieties were adapted to specific day lengths and growing seasons, so farmers had to breed shorter-season varieties as maize moved north.
Maize diffusion
Maize spread from Mexico into the Southwest and eventually the eastern woodlands, taking thousands of years because it had to be adapted to different climates.
Importance of maize
Maize produced many calories per unit of labor, stored well when dried, and generated surpluses that supported priests, rulers, builders, and other specialists.
Three Sisters farming
A Native American agricultural system combining maize, beans, and squash.
Maize's role in Three Sisters
Maize grows tall and quickly, provides a trellis for beans, and takes the first claim on sunlight but removes large amounts of nitrogen from the soil.
Beans' role in Three Sisters
Beans climb maize stalks and contain root bacteria that fix atmospheric nitrogen, replenishing nitrogen removed by maize.
Squash's role in Three Sisters
Squash's broad leaves shade the ground, suppress weeds, reduce evaporation, and prickly vines discourage animals.
Three Sisters sustainability
Maize, beans, and squash together can produce more effectively than when grown separately while helping maintain soil productivity.
Three Sisters nutrition
Maize lacks sufficient lysine and tryptophan, while beans provide them, allowing the combination to form a more complete protein.
Three Sisters population effect
The system supported high population densities among groups such as the Creek, Choctaw, and Cherokee.
Native American diversity
North America contained hundreds of societies, hundreds of mutually unintelligible languages, and many different political systems and religions.
Native American subsistence
Native societies used different combinations of hunting, fishing, gathering, and agriculture depending on their environments.
Native American agriculture
Agriculture developed independently in different regions and included crops such as maize, beans, squash, sunflowers, and tobacco.
Native American environments
Native societies lived in forests, grasslands, deserts, mountains, and coastal regions and adapted their cultures to these environments.
Native American social organization
Social structures included kin-based clans, tribes, chiefdoms, and confederations.
Native American leadership
Leadership was often held by elders, chiefs, or councils and commonly relied on persuasion and consensus rather than coercion.
Native American cultural traditions
Oral traditions, myths, rituals, storytelling, dance, and artistic expression transmitted cultural knowledge.
Native American trade
Trade networks exchanged goods such as shells, copper, obsidian, and pottery and spread ideas between societies.
Native American technology
Native peoples developed tools from stone, bone, and wood and produced pottery, baskets, clothing, beadwork, and other crafts.
Mound building
Large earthworks used by some Native societies for ceremonial and burial purposes.
Native American religion
Religious beliefs often involved complex relationships with natural forces, animals, landscapes, and spiritual beings.
Animism
The belief that spiritual power can reside in animals, plants, rivers, stones, weather, and other parts of the natural world.
Native American environmental management
Many societies used techniques such as controlled burning to maintain ecosystems and improve hunting and foraging areas.
Native American view of nature
Nature was often viewed as spiritually powerful, and people saw themselves as connected to and responsible for the land.
Native American gender roles
Gender roles varied, but women often played major roles in agriculture while men commonly participated in hunting, warfare, and trade.
Matrilineal societies
Societies in which descent and inheritance are traced through the mother's family line; some Native societies had matrilineal systems.
Native American art
Included pottery, carving, textiles, jewelry, beadwork, natural motifs, and geometric designs.
Native American land ownership
Families and villages had real, defensible, and sometimes heritable rights to use land, but absolute alienable private ownership of land was generally uncommon.
Native American land use
Land was primarily understood through use rights rather than as property that could be permanently bought and sold to exclude others.
European land ownership
European law emphasized alienable private property, permanent ownership, exclusion, clearing, fencing, and improvement as evidence of title.
Native American-European land conflict
Native leaders often understood agreements as granting use rights, while Europeans often understood the same agreements as permanent purchases that excluded Native use.
Native American wealth
Status often came from distributing wealth rather than accumulating it.
Gift-giving and Native authority
Giving gifts created obligations and helped leaders build relationships and redistribute resources during bad seasons.
Native American political authority
Leaders often governed through persuasion and consensus and lacked a centralized apparatus to force everyone to obey.
European misunderstanding of Native authority
Europeans often negotiated with one leader and assumed the entire nation was bound, even though that leader might not have authority over all members.
Native American religious worldview
Spiritual power was distributed throughout nature rather than centered on one universal revealed religion.
European religious worldview
Centered on one God, one revealed truth, and an obligation to convert non-Christians.
Native American missionary impulse
Because spiritual power was understood as local and diverse, Native societies generally did not have the same universal missionary impulse as Christianity.
European missionary impulse
Christianity emphasized converting others because Christians believed salvation required accepting Christian truth.
Native American freedom
Freedom often meant belonging to a community and fulfilling its obligations rather than living independently from society.
European concept of freedom
Included privileges based on social status, property-based independence, and Christian freedom from sin.
Native American women and authority
In some societies, women controlled agriculture and food production and could hold political authority, including Iroquois clan mothers selecting or removing council leaders.
European misunderstanding of Native gender roles
Europeans saw Native men hunting and women farming and often misinterpreted hunting as idleness and failed to recognize women's authority.
Native American-European environmental worldview
Native peoples generally emphasized spiritual relationships and stewardship, while Europeans often emphasized ownership, improvement, and control of nature.
Agriculture and complex societies
Agricultural surplus supports people who do not farm, including priests, rulers, builders, soldiers, and other specialists, allowing complex societies to develop.
Independent domestication
Agriculture developed independently in different world regions using locally available plants such as wheat and barley in the Fertile Crescent, rice and millet in China, sorghum and yams in Africa, and maize in Mexico.
Monumental construction
Monuments demonstrated religious and political authority and required large amounts of organized labor.
Monks Mound
A massive Cahokian earthwork covering about 14 acres at its base and rising roughly 100 feet, built by hand from carried earth.