Suppose you have read two different books of world war two and each book has different arguments about how the war started which of the following sources provides the best support for the author arguments?

answer:

c

Explanation:

Primary sources are crucial to understanding history. it gives us a first-eye view into the lives of the people that actually lived durng the time and took part in the events

d.

the northwest territory became the most densely populated area in the u.s.