Answer: B, signing of a security pact with axis nations.
Explanation: Isolationism is a policy of isolating (a country) from other foreign affairs. When the US did this, the government had to create a security pact.
One reason for the development of amn early civilization in the Tigris-Euphrates river valley was that.<span>periodic flooding </span>left<span> rich soil, which was ideal for farming.</span><span> </span>
Both independence movements (Vietnam and Algeria) was launched and organized a communist or a nationalist’s party to fight in the battle. When the war was successfully ended and gaining their victory they proclaimed their independence and grabbed their democracy that made all the communists united.
Answer:
I would say A. The National Park Service
Explanation: