How does surplus lead to trade? A. People fight for items that they need
B. People trade their extra materials for things they need
C. Trade causes people to not have enough of an item.
D. Surplus did not really lead to trade

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.

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.