Northerners had many politicians that didn't essentially care about reconstruction or African-Americans. They just went south to get into positions of power because the political area was open for newcomers since the old politicians in the South were the racists who led to the war. As they weren't that interested, the ideas of democracy soon ended and the policy of separate but equal was established which still enabled racism and segregation only in a legal manner.
Answer:
Due to conversion of labour to machines.
Explanation:
The process of industrialization is also known as revolution because the production of goods converts from labour to machines. During this revolution, all the good's that were produced with the help of labour is now produced with the help of machines. This revolution is responsible for the creation of new technological advancement. The effects of industrialization are great on the people of that era because it created many jobs as well as speedup production of goods. The living standard of the people also becomes higher and stable due to good salaries in the industrial sector.
The Aztecs lived in Mexico. That's where their empire was.