AP World History 9.1 Flashcards

Communication

The transmission of information through various mediums, evolving significantly with technologies like radio and the internet since the 1900s.

Radio

An early communication technology that broadcasts audio content to reach large audiences, gaining popularity in the early 20th century.

Internet

A global network facilitating information exchange, first developed for military use and became widely accessible by the late 1990s.

Green Revolution

A period of agricultural innovation starting in the mid-20th century aimed at increasing food production through new farming techniques and crop varieties.

Crossbreeding

A traditional method of breeding plants by combining different varieties to improve traits such as yield and resistance.

Genetic engineering

A modern technique manipulating an organism's genes to create desired characteristics, raising ecological concerns.

Shipping containers

Standardized large boxes for transporting goods, enhancing global trade efficiency from the late 20th century.

Antibiotic

A type of medication developed to combat bacterial infections, first discovered in the late 1920s by Alexander Fleming.

Birth control

Medical methods to prevent pregnancy, significantly impacting fertility rates and social dynamics from the 1960s onward.

Fertility rates

The average number of children born per woman, which declined globally due to improved birth control options.

Vaccine

A biological preparation that stimulates immunity against diseases, crucial in public health since widespread use began in the 20th century