The answer should be A. Great Depression.
The answer is "wanting to disguise the truth they have uncovered."
Some historians find this tough. One of the reasons would be because not all people may or may not, like the truth. Some historians would omit some part of the truth to keep violent reactions from the readers or outsiders.
They were drastically different. Hopes this helps
Answer:
The economies of most European nations were in very poor shape
Explanation:
At the end of the war, millions of people were dead and millions more homeless, the European economy had collapsed, and much of the European industrial infrastructure had been destroyed. The Soviet Union, too, had been heavily affected.
Native Americans, establishing trade, society, and agriculture