Which reason best explains why the inability of congress to levy taxes under the articles of confederation was so problematic?

The Articles of Confederation granted to every states its own freedom and sovereignty. The Congress of the central government didn’t fee taxes or regulate commerce.  

This is one of the reason why the states could tax tariffs on other’s states’ goods, that caused arguments between the states

It was unable to raise revenue to pay debts from the American Revolution.

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.