Answer:
Answer is Option A: Nations fell victim to new hostile leaders. Japan struck first, invading China. Next Italy struck at Ethiopia. Germany, under the leadership of Adolf Hitler, was the greatest fear.
Explanation:
United States were isolationists and did not want to get in the war between the foreign nations. So, they decided to stay away from the war. Their neutral attitude wanted them to stay out of the war.
America actively traded with Europe. They were helped by China in trading activities. Nazi's Germany was also becoming a threat for America under Hitler. So, they chose to stay out of the war.
They only entered the war after the Pearl harbor attack by Japan.
