By the time American troops entered World War 1 the Allies were exhausted after years of fighting. The correct option among all the options that are given in the question is the third option or option "c". The entry of Americans in the war boosted the morale of the Allied army. I hope the answer comes to your help.
Answer: Your answer is b
Explanation:Give me the brainiest
Answer:
as prices rose, less and less people were able to buy things,
unsold things piled up, so there was no need for production
in all, no one was working or buying, and this caused the economy to crash