How might Frederick Douglas’s speech encourage African American men to join the U. S. Military? in 1863.

Because the war was seen as a promise to true equality for African Americans  and people of color.

Explanation:

because its important to learn about other countries and how high tech they are compared to us. also its good to learn about other cultures and how ours differs and in common also we need to learn about companies that we still buy since they ship it here.