Answer:
Truman pledged that the United States would help any nation resist communism in order to prevent its spread. His policy of containment is known as the Truman Doctrine.
Explanation:
Hope this helps.
There is so many reasons but they are complicated to explain
Executive Branch<span>: Headed by the president.</span>
Because in his model, the atom was thought to be a large positively charged sphere with electrons embedding in it. This is reminiscent of a plum pudding where the plums are embedded in the pudding.