The Louisiana Purchase was a land deal between the United States and France in which the United States acquired nearly 828,000 square miles of territory for $15 million. The territory included present-day Louisiana, Arkansas, Missouri, Iowa, Oklahoma, Kansas, Nebraska, and parts of Montana, North Dakota, South Dakota, Wyoming, Colorado, and Minnesota. The purchase doubled the size of the United States and gave the country access to the Mississippi River and the Gulf of Mexico.
Lewis and Clark Expedition (1804-1806)
The Lewis and Clark Expedition was a historic expedition led by Meriwether Lewis and William Clark to explore the newly acquired Louisiana Territory. The expedition lasted for two years and covered over 8,000 miles. Lewis and Clark explored the Missouri River, the Rocky Mountains, and the Columbia River. They encountered many Native American tribes and documented the plants and animals of the region. The expedition provided valuable information about the American West and helped to open it up for further exploration and settlement.
Adams-Onís Treaty (1819)
The Adams-Onís Treaty was a treaty between the United States and Spain that established the boundary between the United States and Spanish Florida. The treaty gave the United States control of East Florida and West Florida, as well as parts of present-day Alabama and Mississippi. In exchange, the United States agreed to pay Spain $5 million and to give up its claims to Texas.
Mexican-American War (1846-1848)
The Mexican-American War was a conflict between the United States and Mexico over the annexation of Texas. The war lasted for two years and resulted in a decisive victory for the United States. The United States gained control of the Southwest, including present-day California, Nevada, Utah, Arizona, and New Mexico. The Mexican-American War was the first major conflict in the history of the United States and resulted in the acquisition of a large amount of territory.