The iranian revolution disrupted oil supplies around the world. who became that nation's new leader following the revolution?

jalal al-e-ahmad
mohammad reza pahlavi
ayatollah khomeini
mohammad mossadegh

answer: what events

explanation:

you dont have any choices

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.

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