Why was Nationalism one of the main causes of World War I?

It inspired Germany and Austria-Hungary to join the Triple Entente.
It created the desire for self-determination among the diverse ethnic populations.
It created unity among the European nations to resist attacks from Serbia.

no

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.