The most notable is the atomic bomb. Roosevelt became aware that the Nazis were trying to develop one, so he started the "Manhattan Project" which was a group of elite scientists tasked with developing their own atomic bomb. They eventually succeeded, and in 1945, we dropped the bomb on Japan.
Answer:
they passed food and goods to each other so people started mixing in
Explanation:
While there are many policies that he implemented, four policies defined his presidency. In an effort to flush the corruption out of Washington, he established the spoils system. He took a hard stance against Native Americans, forcing them to choose between assimilation or relocation with the Indian Removal Act.
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