The answer is D to your question
A common explanation is that the Civil War was fought over the moral issue of slavery. In fact, it was the economics of slavery and political control of that system that was central to the conflict.
It was composed of war captives and Christian youths pressed into service; all the recruits were converted to Islam and trained under the strictest discipline. It was originally organized by Sultan Murad I. The Janissaries gained great power in the Ottoman Empire and made and unmade sultans.
Answer:
C
Explanation:
this is because for example if a company spent x amount of dollars to get it up and running, once they are makeing money they would have made the same amount they spent all put it to zero because they didn't make or loose any money