Kennedy inherited the problems of Southeast Asia and intended to get the United States out of Vietnam before it escalated further. His death changed that. The result is Southeast Asia is still in conflict and what is happening on the continent today reflects the problems with China, Korea, and Japan.
i got this off a online document, i hoped this helps
After the war of 1812, the first expansionist goal of the republic was the acquisition of Florida, since this was the closest and most attainable area next to New England. Although they would soon seek California.
I believe that’s it is D.
The answer is: Runners allowed villages and cities throughout the empire to communicate quick with rulers far away.
Hope this helps!:)