Answer:
The westward expansion led to many other events in and around the United States. Before Manifest Destiny and the westward expansion the French and Indian War and Revolutionary War took place which allowed America to declare independence. There's no telling weather its positive or negative, but it leans more on the positive side, because of its impact.
Explanation:
Limited government is the answer
Yes, The Truman doctrine was a speech in March 1947, later an American Foreign Policy, in response to a crisis during the cold war to counter the Soviets geographical expansion. In the speech president, Truman pledged to contain the threats to Turkey and Greece. The U.S would support countries that would be threatened by the Soviet Communism by use of military support i.e, NATO an alliance that is in effect to date and financial aid to economies and military support to countries with political instability threatened by communism.
