Vocab

Front

A force that divides people and countries

Back

Centrifugal forces

Front

A force that unites people and countries.

Back

Centripetal force.

Front

A group of countries acting as a single market without trade barriers.

Back

common market

Front

International cooperation where countries cede some control for shared goals.

Back

Supranational cooperation

Front

Rain damaging the environment due to acid from factories and cars, harming plants, fish, animals, and buildings.

Back

Acid rain

Front

Energy from nuclear reactions; harmful to living things; materials are radioactive.

Back

Nuclear radiation

Front

A river and its tributaries.

Back

River system

Front

Pollution that starts in one country and crosses into others, often via wind or water.

Back

Transboundary pollution

Front

A group of people in a country sharing a unique culture and identity.

Back

Ethnic group

Front

A large group sharing a common history and culture; often synonymous with a country.

Back

Nation