Answer:
After numerous conflicts in North America, England finally gained complete victory over France in North America in the French and Indian War. In the 1763 Treaty of Paris, France gave up all its holdings on the continent to England.
The OPA set wages and controlled inflation to help manage the wartime economy.
Yes, it is true that Ellis Island was a place where many thousands of immigrants to the United States were processed, but most of them were not sent back home--instead most were granted entry.