The pax romana ended in 180 ce after over one hundred fifty years in existence. the end of this era ushered in a period of inflation. foreign wars. religious wars. political instability.

Just took the quiz. it's D. political instability

Explanation:

i can

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.