To try and make the government surrender
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.
Answer:
Labor unions did not allow Chinese immigrants to become members. Labor unions helped Chinese immigrants find jobs in mills and factories. Labor unions asked companies to pay Chinese immigrants low wages.
I hope this helps :)