Answer:
Letters and publications written by Nazi leaders before the Second World War.
Explanation:
This answer is correct because this historian is searching for the motives of these perpetrators, letters and publications can tell their thoughts and conversations.
Answer:
In the spring of 1862, the Confederacy exerted its maximum mobilization effort to secure its independence. In April, the Confederacy passed a conscription act. ... As he had done in 1862, Lee saw his victory as an opportunity to be followed up by invading the North in the hopes of annihilating a Federal army on Union soil.
President, cabinet, and independent agencies
A what clothes to wear would be the answer