Answer:
the invasion of the gutians and climatic conditions
Explanation:
The empire collapsed after the invasion of the Gutians. Changing climatic conditions also contributed to internal rivalries and fragmentation, and the empire eventually split into the Assyrian Empire in the north and the Babylonian empire in the south.
The Vietcong formed to resist the government.
Separated the United States from Britain, making the United States a legit country by its self.