Acid Rain Rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm.

Apartheid government policy of segregation & economic exploitation in South Africa

Arms Race the continuing competitive attempt by two or more nations to have more and more powerful weapons.

Brezhnev Doctrine Doctrine stating that the Soviet Union would intervene in any satellite nation that seemed to be moving away from communism.

Containment U.S. policy aimed at restricting the spread of communism.

Deterrence the act of preventing a nuclear attack by the capacity or threat of retaliating.

Environmentalism Concern about environmental quality especially of the human environment with respect to the control of pollution.

Ethnic Cleansing campaign of terror & murder intended to drive out certain ethnic groups from a region or an area.

Fundamentalism any movement within a religion that seeks a return to its basics.

Global Warming the gradual increase in the overall temperature of the earth’s atmosphere due to the greenhouse effect caused by increased levels of pollution.

Globalization the worldwide spread of culture, economics, and technology.

Nuclear Disarmament the act of reducing or eliminating nuclear weapons.

Nuclear Proliferation Spread of nuclear weapons, weapons- applicable nuclear technology, and information.

Perestroika Soviet restructuring policy designed to overhaul the Soviet political and economic systems.

Strategic Defense Initiative weapons research program to explore technologies including ground- and space-based lasers, for destroying attacking missiles and warheads.

Urbanization migration from the countryside to the city

Weapons of Mass Destruction Nuclear, chemical, & biological weapons of great power.