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The concept of Abolition existed in Colonial America, however, there was not a consistent inter-colonial effort to eliminate slavery. Over time, anti-slavery sentiment grew throughout the British Colonies but was localized in places like Philadelphia, and among religious sects, such as the Quakers. As the Abolition Movement started to take shape, it was much stronger in colonies that did not rely on slave labor for agriculture.

The Adams-Onís Treaty (1819) was an agreement between the United States of America and Spain that ceded Florida to the United States. It also allowed the United States to span the continent, from the East Coast to the West Coast.

The Presidency of John Adams was from March 4, 1797–March 3, 1801. He was elected as the Second President of the United States in 1796. He ran for a second term in 1800, but was unsuccessful, losing to Thomas Jefferson. During his four years in office, Adams was plagued by a political rivalry with Alexander Hamilton, a falling out with Thomas Jefferson, and political intrigue with France.

John Adams was a Founding Father who helped shape the ideas that led to the American Revolution. This collection includes important quotes from Adams about Liberty, the American Revolution, and other important topics.

The American Anti-Slavery Society (AASS) was a leading Abolitionist organization, dedicated to eliminating slavery in the United States. The organization was founded in Philadelphia, Pennsylvania on December 4, 1833.

The American Fur Company was founded by John Jacob Astor in 1808. It became the first business monopoly in the United States, dominating as much as 90% of the Fur Trade during the first half of the 1800s.

The American Revolution was a significant, world-changing event that took place in the British Colonies in North America from 1763 to 1774. It was a social and political response by the colonies against British taxation and government policies that led to the American Revolutionary War, and Declaration of Independence, and the establishment of the independent United States of America.

The American System was an economic plan devised by Henry Clay that was intended to create a national economy. Although moderately successful, it is also famous for contributing to the sectional divide between the North and South leading up to the Civil War.

Adelbert Ames was an officer in the U.S. Army during the Civil War. Following the war, he served as the Governor of Mississippi and also served as a Senator. Ames was awarded a Congressional Medal of Honor for his actions during the First Battle of Bull Run.

Alexander Hamilton wrote a letter to John Laurens in 1780 and explained the events of the André Spy Affair. Major John André was captured, tried, and executed for spying, which uncovered Benedict Arnold's Treason.

Major John André was a British officer during the American Revolutionary War. He participated in several important battles during the Philadelphia Campaign and became head of the British Secret Service. He is most well known for the role he played in Benedict Arnold's scheme to turn West Point over to the British.

The First Anglo-Dutch War was fought from 1652 to 1654 between the Commonwealth of England and the Dutch Republic. England won the war, which allowed it to expand its maritime shipping operations and tighten its control over the American Colonies.

This APUSH Guide provides a breakdown of the Topics and Key Concepts for each of the 9 Units in the AP US History curriculum and includes links to content from the Encyclopedia.

Charles Armand was a French volunteer in the Continental Army. He rose to the rank of Brigadier General and helped capture Redoubt No. 10 at Yorktown.

William Henry Ashley (c. 1778-1838) was an American fur trader and politician who organized successful fur trading expeditions in the American West. Ashley is most well-known for establishing Ashley’s Hundred and the Rocky Mountain Rendezvous.

John Jacob Astor was a German immigrant who came to America and became the wealthiest man in the nation. He was a shrewd, successful businessman, and was primarily involved in real estate and the fur trade. His involvement in the Oregon Territory contributed to America’s fulfillment of Manifest Destiny.

Nathaniel Bacon was a Virginia plantation owner who led the first organized uprising against English officials in the colonies — Bacon’s Rebellion.

On July 30, 1676, Nathaniel Bacon issued his “Declaration of the People of Virginia” and attacked Governor William Berkeley and his political allies.

Abraham Baldwin (1754–1807) was a Founding Father of the United States. He is most well-known for signing the United States Constitution and supporting smaller states during the Constitutional Convention of 1787, which contributed to the Great Compromise.

The First Bank of the United States (1791–1811) was a signficant part of Alexander Hamilton’s Financial Plan and helped stabilize the nation’s economy for 20 years.