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.
The movement that highly influenced the Constitution's framers was the 18th century philosophical and intellectual movement, Enlightenment. The movement presented several ideals such as the separation of church and state, liberty and constitutional government. From here, the framers of the Constitution took the idea that government was established only "by the consent of the governed". And thus, should be geared towards the best interests of its citizens.
The first Korean Kingdom was 고조선, whose founder was 단군왕검.
What was the name given to the Lewis and Clark expedition?
A) corps of discovery
B) grand excursion
C) Louisiana purchase
D) manifest destiny
Your answer is C) Louisiana Purchase
Hope that helps
-May