Switch to manufacturing military goods and to work hard and fast so they military would always be prepared. Roosevelt also wanted Americans to support the cause of the democracy.
The first dropping of the Atomic bomb on Hiroshima killed 90,000 to 146,000 people. Half of the people died on the first day of the Hiroshima bomb and over the next 2 to 4 months the other half of the people died.
The second dropping of the bomb on Nagasaki killed 39,000 to 80,000 people. The deaths happened the same way it did for Hiroshima.
The leading argument against slavery during this time in the US was simply that it was immoral, and went against God's will. Another was that it violated the Constitution, and yet another was that it was unsustainable in the South.
Answer:
fear the economies would collapse
Explanation: