The best answer i see is C) The natural features in an area include mountains, deserts, and oceans because these were all aspects of keeping native people from wondering to far.
The choice that was not a factor is America gained European territory after the war and was able to export products to Europe and Africa without economic barriers. America in fact sent much aid to European nations under the Marshal Plan to help rebuild european countries.
USA intervened in Korea and Vietnam as war efforts and in Greece and Turkey as coups.
Explanation:
In Turkey the US government aided a coup by the military to overthrow the government which in turn led to a regressive government to be placed in there.
A similar thing happened in Greece when a socialist party was elected into the Country with affiliations or alleged ones with the Soviet Union.
Korea was invaded by the USA in support of the south during the Korean war so as to stop the communist North from taking over all of the Korea under the influence of USSR.
Similar thing happened in Vietnam but it was not successful and Vietnam did fall to the communist army after US departure.
The Umayyads were the first Muslim dynasty—that is, they were the first rulers of the Islamic Empire to pass down power within their family. Under their rule, which lasted from 661 to 750 AD, the early Islamic community was transformed into the most powerful empire of the day. In many ways, the Umayyads defined how an Islamic Empire would be ruled. Nonetheless, their lack of descent from Muhammad, their controversial practice of handing down power from father to son, and their mistreatment of non-Arab Muslims made them a controversial dynasty, a topic of debate among Muslims even to this day, and ultimately led to their fall.
Answer:
Grigory Zinoviev successfully had Stalin appointed to the post of General Secretary in March 1922, with Stalin officially starting in the post on 3 April 1922.
Explanation: