2. Many factors led to the end of communism in the Soviet Union and Eastern Europe, and subsequently the end of the Cold War. Choose one person, topic, or event and briefly explain its role in helping to end the Cold War.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

the correct answer is a) egypt and china.

egypt and china are two of the world’s oldest civilizations known by man. both ancient empires have left a great historic and cultural legacy to the world through archeology. both civilzations developed complex social relations, had deep religious beliefs, had dominion of agriculture and left writing records to understand their customs and culture.

among the requirements to consider a civilization, we find urbanization, writing records, a place of residence, agriculture methods, technological specialization, means of transportation, currency, population density, social stratification, and political integration.