The series of US-Native American conflicts that characterized this era of westward expansion.

This series of changes in the way the US could conduct and organize business vastly expanded the reach and power of its economy.

This national political party is known for being made by farmers, for farmers.

This Progressive Era US president is known for his policies regarding environmental protection and product regulation.

This federal act offered 160 acres of land to anyone under the conditions that they either work and improve it for five years or buy it at the price of $1.25/acre.

These two methods of organizing and structuring a corporation could easily lead to a monopoly and did so during the Gilded Age.

The United States Supreme Court case in which the "separate but equal" doctrine was coined and enforced.

This journalism technique was employed heavily throughout the Progressive Era, its most famous example being "The Jungle" by Upton Sinclair.

Westward expansion led to this occupation becoming the most integral part of the economy of the west.

Mechanization led to rises in these two ways of thinking due to attracting many new immigrants to the United States.

This overseas confrontation between the US and a colony-holding power was fought over natural resources and land during the US age of imperialism. It lasted from April 21, 1898, to August 13, 1898.

This federal motion is what made Prohibition a national law and no longer a movement.

The first US national park, which was signed into law by President Ulysses S. Grant on March 1, 1872.

This period of US history is known for the vast prosperity juxtaposed with widespread corruption, greed, and unacceptable living/working conditions.

The Queen of Hawai'i that was overthrown when the US annexed the string of islands in 1893?

This massive and liberal change in what the public wanted from the government and how they were going to fight for it characterizes perhaps the most important era in US history.

These are the main 3 pull factors for those migrating west in this time.

The term coined by American writer Thorstein Veblen in his essay, "The Theory of the Leisure Class," commonly referring to the way wealthy people use money.

The man who coined the term, "White Man's Burden" in reference to imperialism and American involvement overseas.

This international, unfortunate series of events is what brought the Progressive Era in the US to a grinding halt for a long time.