It is clear that the Rabb family owned slaves. Is there evidence in Rabb's letter that he would have fought even if his family didn't own slaves?

Here’s the first one let me send the next page of the passage

How was the u.s. economy different from european economies following world war 1?

Which statement best describes a significant cause of world war ii? o a. the economic boom that followed world war i allowed countries to build up huge militaries. o b. the treaty of versailles, which ended world war i, left lasting resentments in many countries. o c. the rise of imperial states in asia caused european powers to unite for their common defense. o d. the league of nations encouraged european states to form secret military alliances.