Answer:
geography influences the development of its society and culture in many ways.
Explanation:
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Besides the Europeans, Japanese and the Americans used to colonize Southeast Asian countries as well. Southeast Asians were under the European powers because Asian empires and kingdom declined while the Europeans became stronger. ... During the colonial period, colonial powers had a significant effect on Southeast Asia
The Civil War influenced the role of government in the United States because it highlighted how the national government was the sovereign power. Following efforts by states to succeed and establish their own system of government the national government of the U.S. asserted is dominance and defeated the southern belligerents, thereby reasserting its dominance over politics and government in the United States following the war.
I believe it would/can be C and A
Hope it helps :D