Answer:
C. Economic problems and depression around the world
Explanation:
looks like it's this one friendo
They realized that nothing really changed much. The freed African-Americans still had almost no political rights and the system was controlled mostly by corrupt politicians who came from the north to become rich. The regular people still had huge farms and turned the former slave system into a system of sharecropping which was in many ways similar to slavery. The freedom was very superficial and in reality people still lived as bad as before the war.
Because of the large amount of labour saved by giving workers specialized tasks in Industrial Revolution-era factories, some classical economists as well as some mechanical engineers such as Charles Babbage were proponents of division of labor.
The idea behind the rule is that one person's voting<span> power is closely equivalent to another </span>person's within the state. It practically means that under the Equal Protection Clause of the Constitution <span>legislative </span>voting<span> districts must be the same in population size.</span>