This statement from the 5th President warned European states that the U.S. would not tolerate further colonization or conquest of the American continents.
What was the Monroe Doctrine?

This individual escaped from slavery and went on to become one of America's famous orators and abolitionists. This abolitionist started a newspaper known as the North Star.
Who was Frederick Douglass?
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The development of this principle led to American women to go from working on the farms to becoming the "moral leader" in the home.
What was the cult of domesticity?
The abolition movement aimed to put an end to this institution.
What was slavery?
This engineering achievement connected the Atlantic Ocean to the Great Lakes.
What is the Erie Canal?
This American president, in addition to founding a new political party, is also known for the Indian Removal Act.
Who was Andrew Jackson?

This reform movement aimed to reduce the manufacturing and consumption of alcohol.
What was temperance?
The creation of this invention led to an increased demand for the use of enslaved people on plantations, especially in the Deep South.
What is the cotton gin?
What was the "corrupt bargain"
This group of immigrants in the early 19th century tended to be Catholic, spoke English, and settled in New England cities.
Who were the Irish?
This political party arose to oppose Jackson and the Democratic Party. They supported a stronger central government and internal improvements.
Who were Whigs?
This individual led the most well-known slave rebellion in American History. Following this rebellion, southern states passed tighter laws known as slave codes.
Who was Nat Turner?
The Jacksonian Era is known for prioritizing the political power of working-class and/or self-made Americans such as farmers. Thus this era is also known as the age of this group of people.
What is the Common Man?
This reformer helped start the common school movement.
Who was Horace Mann?
This theory asserts that a state can refuse to follow a federal law if that state feels it violates the Constitutional compact of federalism. This is what South Carolina attempted to do in 1832.
What is nullification?
This legislation proposed by Henry Clay in 1820, allowed the U.S. to maintain the balance between slave state and free states. This legislation also drew a line at the 36°30′ latitude to restrict the expansion of slavery.
What was the Missouri Compromise?

This treaty resulted in the U.S. acquiring Florida.
What was the Adams-Onis Treaty?
This person was a radical abolitionist who published a newspaper known as the Liberator.
Who was William Lloyd Garrison?
What was the Seneca Falls Convention?
Factory owners in the northern states supported this policy because it gave them an advantage when competing with foreign-made goods.
What are tariffs?