Since 2011, a large number of refugees to the United States have come from O Cuba.
O the Soviet Union.
O Syria.
O Vietnam
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cube I'm very smart and I know this

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

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.