Answer:
The Gilded Age
Explanation:
Technologies were developing rapidly, which led to the rapid economic growth with the transportation and manufacturing industries. During the Gilded Age, there was a large amount of capital floating in society among wealthy people. More immigrants began to settle in cities to work in factories.
The significant industries were steel, oil, banking, railroad, timber, sugar, liquor, meatpacking, mining, tobacco, and textile industries. Some of the entrepreneurs were Andrew Carnegie, John D. Rockefeller and Henry Frick.
The telephone, electricity, and the light bulb were some of the new inventions by Alexander Graham Bell, Thomas Edison, and Nikola Tesla and others.
In Aztec social hierarchy, people who are called "Serfs" are the ones expected to support the upper class. They belong to the lowest social class in the Aztec culture and required to do labors for the nobles. As for the Incas, "Commoners" (farmers, artisans, servants, etc.) are required to support the higher class for they do not practice slavery. Majority of Inca's population belongs to the commoner class.
They were displaced by white American settlers again.
A person who owns or rents land given by the landlord