Explain why a historian might not think that Joseph F. Green's letter reflects the morale of the entire Union Army .

Batlle of Fredicksburg was devastating for the Union Army, so the letter may not be a proper representative.

Explanation:

The battle of Fredricksburg was a bad routing of the Union Army where heavy looses were incurred. The letter written by Joseph F. Green at the time waas unusually optimistic.

One would believe that the greatest loss of Union Army during the Civil War would stir greater sadness in the solider.

So either he was isolated from the thick of action and did not realize that it was as bad as it actually was or that he had a vested interest in portraying the situation as better than it was.

the viking voyages took place during the middle ages, which was about this time. 500 to 1350. the viking voyages took place during the middle ages, which was about this time.

your answer for this question would be c