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original 13 colonies
The original thirteen colonies were Connecticut, Delaware, Georgia, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, South Carolina, Pennsylvania, Rhode Island and Virginia -
northwest territory
Northwest Territory, U.S. territory created by Congress in 1787 encompassing the region lying west of Pennsylvania, north of the Ohio River, east of the Mississippi River, and south of the Great Lakes. Virginia, New York, Connecticut, and Massachusetts had claims to this area, which they ceded to the central government between 1780 and 1800. Land policy and territorial government were established by the Northwest Ordinances of 1785 and 1787. Ultimately, five states—Ohio, Indiana, Illinois, Mich -
louisiana purchase
The Louisiana Purchase (1803) was a land deal between the United States and France, in which the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million dollars. -
adams onis treaty
Also called the Transcontinental Treaty of 1819, the Adams-Onis Treaty was one of the critical events that defined the U.S.-Mexico border. The border between the then-Spanish lands and American territory was a source of heated international debate. In Europe, Spain was in the midst of serious internal problems and its colonies out west were on the brink of revolution. -
gadsden purchase
The Gadsden Purchase is a 29,670-square-mile region of present-day southern Arizona and southwestern New Mexico that was purchased by the United States in a treaty signed by James Gadsden -
texas annexation
On February 19, 1846, in Austin, Texas, the Texas Republic's president formally transferred power to the new governor of the U.S. state of Texas. The Texas Republic officially became part of the United States. The transfer, welcomed by the majority of Texans, was the culmination of years of negotiation and effort. -
oregon territory
The Territory of Oregon was an organized incorporated territory of the United States that existed from August 14, 1848, until February 14, 1859, when the southwestern portion of the territory was admitted to the Union as the State of Oregon -
mexican cession
The Mexican Cession was the result of the Mexican-American War from 1846-1848. President James K. Polk had promised to fulfill the "Manifest Destiny" before he left office, even if it meant going to war. With the Treaty of Guadalupe Hidalgo. In exchange for $15 million, the Mexican government under Santa Anna gave away 1/2 of their land.
