How are the indian ocean and the sub-saharan african trade routes similar?
a. both were used by mongols to expand their empire
b. both contributed to the collapse of the roman empire
c. both expanded the regional exchange of goods and ideas
d. both connect europe, africa, and the americas

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.

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