Well, if you're implying about World War II, then some of the early successes would have to include the Battle of Midway -- we were on the verge of defeating Japan!
It was where the Europeans decided to look for new trade routes. The Europeans wanted to find another way to get to China/Asia. Christopher "discovered" America and there were also a lot of other explorers like Ferdinand Mallegan who kind of discovered a strait through the southern tip of South America. Many explorers also created instruments for sailing like a compas or a school for sailing which was created by Prince Henry thd Navigator. He was from Portugal. When Queen Elizabeth II came into throne there was a Spanish Armada.
In the 1760s, the Revolutionary crisis in English North America began in cities because ...... B.viciously broke the resistance of the Creek.
I believe the case you're referring to is Dred Scott v. Sandford.
Answer is the civil right act