If you are referring to the United States, the answer is probably the Vietnam War.
The point was that it was negotiation for two parties, they would force interaction between eachother to get an advantage in the negotiation over the other.
Explanation:
Example: this was used as a policy in the US to coerce the Soviet Union into backing down militarily.
Answer:
Congress can create a postal system, Congress can declare war, and Congress can make treaties with foreign nations.
Explanation:
However, its inability to levy and collect taxes prevented it from doing many of these and its other jobs successfully (if you need me to elaborate say so).
Answer:
It helped Allies stop a German offensive and support a counteroffensive that led to Germany's defeat.
Explanation:
I'm not entirely sure of the answer, but through the process of elimination I've made my way here. I know it's not the first one, because although we had a poorly trained military, we were not short on supplies.
I know it's not the third one, because obviously the United States entering the war had an effect on it. Even though there was a German blockade we most likely could've gotten through it.
It's probably not four because saying that the United States entering the war immediately caused the capture of Berlin is a bit extreme- all though the United States entering the war caused it to end quickly, it was still around a year.
It was called the Jamestown colony