Which factor caused many European countries to become involved in World War I?
1
rall
religious obligations
2
entangling alliances
communist ideologies
opposition to fascism

that’s true, tatiana prouskouriakoff established that the inscriptions were primarily historical.   they recorded events in the lives of mayan rulers and their families.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

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letter a is the answer

d. it gave farmers a way to organize for more political power