Territories due to which the territory of the USA increased / the country that lost these territories.

Largest U.S. territorial acquisitions:
1. Purchase of Louisiana from France in 1803.
2. The annexation of the Republic of Texas in 1845.
3.1846 – by agreement with Great Britain, the territory of Oregon (northwest of the USA) was annexed.
4.1848 – the end of the Mexican-American war and the annexation of the territories of the modern southwest of the United States.
5. Purchase of Alaska from Russia in 1867.
6. After the Spanish-American War in 1898. Hawaii, Puerto Rico, as well as the Philippines and Cuba, which later gained independence, were obtained.