The developed a bomb, not just that, the Nazis wanted to take over more land and that meant they where a threat to America, the Soviets teamed up with the US to create a bomb and it turns out the Nazis weren't even going to bomb them
Answer:
I think the answer is new technology
At the end of the day the Confederates decided to attack the other flank at Culps Hill. Lee's army outnumbered the Union army by more than two to one and according to what he learned in West Point he could take them, but Longstreet did not agree with Lee because he felt that the number of casualties could be too high.
A i think sorry if it's wrong
Before the Europeans there were others such as the Irish, the Spanish, Italians, and even Chinese people who left for the US
