The XYZ Affair was a political and diplomatic episode in 1797 and 1798, early in the administration of John Adams, involving a confrontation between the United States and Republican France that led to an undeclared war called the Quasi-War
the monroe doctrine
Of all the causes for the War of 1812, the impressment of American sailors into the Royal Navy was the most important for many Americans. The British practice of manning naval ships with "pressed" men, who were forcibly placed into servic
The War of 1812 was a conflict fought between the United States, the United Kingdom, and their respective allies
Treaty of Paris
The Monroe Doctrine was a United States policy of opposing European colonialism in the Americas beginning in 1823
Former U.S. president Thomas Jefferson believed that the nation's future depended on its westward expansion. In 1803 the Louisiana Purchase took place, doubling the size of the country. By 1840 almost 7 million Americans had migrated westward in hopes of securing land and being prosperous.
The Treaty of Paris formally brought the American Revolution to a close. England recognized the independence of the United States. In addition, the United States secured all of the land east of the Mississippi River except for British possessions in Canada and Spanish territory in Florida.