Answer:
The U.S. suffered badly but not as bad as the soviet union, China, poland, India, etc. The U.S lost . 1,027,000 to 1,700,000 lives, the soviet union lost 20,000,00 to 27,000,000 lives, etc.
Explanation:
The answer is the first one
D, some states now allowed slavery and some didn't
A. Isolation allowed china to develop on its own, without too much interference from foreign invasion.
