Isolationism was the policy that kept them from joining the League of Nations. Isolationism is when a group stays away from or ignores all people in that group. Mainly political matters of other countries.
Answer:
C
Explanation:
Overproduction in agriculture ane other industries results to progress.It coule effect the prices,but not enough to be a cause in a great depression.A,B,D are key crisis factor that bring the economy to a lower scale.
Answer:
The Allied forces invaded France.