Two of the main reasons for Truman's policy of containment during the Cold War were that the USSR was trying to rapidly expand, and that eliminating communism where it already existed was extremely unlikely. It was considered a very effective policy originally but then was viewed with skepticism when Vietnam hit.
In Ancient Egyptian history, dynasties are series of rulers sharing a common origin. They are usually, but not always, of the same family. Ancient Egypt's historical period is traditionally divided into thirty-two pharaonic dynasties.
Answer:
to prevent future French aggression
Explanation:
The correct answers are 1, 3, 4, and 5. Yellowstone National Park, as its name implies, is managed by the federal government; air traffic controllers are federal employees as well. 1, 3, 4 and 5, on the other hand, are the responsability of state and city governments.