African Americans contributed to the Union war effort on the home front by working as?

African Americans contributed to the Union war effort on the home front by working as carpenters and surgeons.  In the Union army, more than 179,000 African American men served in over 160 units, as well as more serving in the Navy and in support positions.

Explanation:

studies show tha in 7.5 billion years from now, the expanding sun will engulf, and destroy, the earth.

not to sure thinking it would be a hope this