I think it's D. The confederates were the South if I remember right.
Answer:
D) the safety of the mining industry improved as the 1900's progressed.
Explanation:
I just took the test on edg i know its right :)
it was helpful to you ☺️☺️☺️☺️
The following words are
Republic = democracy , nation , government
Christianity = faithful , devoted , Christlike
Feudalism = fedual , social structure , social system
Colony = territory , holding , clearing , swarm
B. military strategist. that's why he accomplished to conquer such a big empire in his life