Answer:
[tex][/tex] 1. Louisiana Purchase: The United States purchased the Louisiana Territory from France in 1803. This vast area included present-day states such as Louisiana, Arkansas, Missouri, Iowa, Minnesota, North Dakota, South Dakota, Nebraska, Oklahoma, Kansas, and parts of Colorado, Wyoming, Montana, and Texas.
2. Alaska Purchase: The United States purchased Alaska from Russia in 1867. The purchase price was $7.2 million, and the acquisition of this land is now known as the Alaska Purchase.
3. Gadsden Purchase: The United States purchased a strip of land from Mexico, known as the Gadsden Purchase, in 1853. This acquisition aimed to create a southern route for a transcontinental railroad and included parts of present-day Arizona and New Mexico.
