A network of routes used by settlers to move westward in search of opportunities, including the Oregon, California, and Mormon Trails.
A significant movement of settlers to the West during the mid-1800s, driven by economic opportunities and the idea of Manifest Destiny.
Conditions were challenging with harsh weather, disease, and limited supplies.
Pioneers often traveled in family groups and faced numerous hardships each day.
Women played vital roles in migration, often performing heavy labor and managing family responsibilities amidst difficult circumstances.
Following the Gold Rush, California saw a massive influx of settlers, transforming its economy and demographics dramatically.
A group of American pioneers who became trapped in the Sierra Nevada during winter, highlighting the dangers of westward migration.
An explorer known for mapping the western territories, aiding future settlers and influencing American expansion.
Following Mexico's independence, American settlers moved to Texas, leading to tensions with the Mexican government over rights and slavery.
A revolt by settlers against Mexico, seeking autonomy and the ability to maintain slavery.
A pivotal battle site in 1836 where Texan defenders fought against Mexican forces, later becoming a rallying cry for Texan independence.
The site of another massacre of Texan soldiers by Mexican forces, contributing to the Texan resolve for independence.
A military leader and key figure in the Texas War for Independence, later serving as the first president of the Republic of Texas.
The decisive battle where Texan forces defeated the Mexican army, leading to Texas independence.
The independent nation of Texas established after its separation from Mexico, existing until it joined the United States.
The political landscape of the time, with conflicts over issues such as expansion and slavery.
The 10th President of the United States who supported the annexation of Texas and was seen as a controversial figure in the expansion debate.
Disputes over territories, especially concerning Oregon, heightened Britain-U.S. tensions during the expansion period.
Refers to the hardships and unforeseen consequences that befell many settlers and those involved in westward expansion efforts.
A pivotal election centered on expansionist policies, resulting in the victory of James K. Polk.
The 11th President of the United States, known for his aggressive push for territorial expansion including Texas and Oregon.
Became a point of contention for national politics and debates over slavery upon its annexation into the United States.
Aimed to fulfill American territorial ambitions, specifically through the annexation of Texas and the acquisition of Oregon and California.
A territory rich in resources that drew the attention of American settlers and was a significant point of conflict with Britain.
Not all Americans supported the war with Mexico, with arguments against it arising from various political factions.
The mobilization of forces and resources in anticipation of military conflict with Mexico.
Pursued during the Mexican-American War to secure valuable land and resources for the United States.
Major battles and campaigns occurred in this region during the Mexican-American War.
A unit of predominantly Irish immigrants who fought on the Mexican side during the war, highlighting issues of loyalty and morality.
The agreement that ended the Mexican-American War, resulting in significant territorial gains for the United States.
Created lasting changes in the U.S. territorial map, intensified discussions on slavery, and shaped the coming sectional conflicts.