The United States government during the Spanish civil war from 1936 to 1939

Against the background of isolationism in the 1930's, the outbreak of the Spanish Civil War in July 1936 forced the American people and the U.S. government to face the question of intervening in a foreign war. ... In 1931, Spain established a Republican form of government.

Explanation:

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.