It's the area between Europe and Asia.
The consensus that developed at the Convention was that A) a stronger central government was necessary to maintain order and to build the newly formed United States. Many of the delegates believed that a new constitution was needed because the Articles of Confederation were too weak to serve as the governing document of the nation.
President Kennedy tried to keep communism out of Vietnam by "(C) providing the southern Vietnamese government with American <span>military advisers," since Kennedy felt that this was a way to "contain" communism without committing many US troops on the ground. </span>
E is the answer to your question.