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Mexican–American War: During the American occupation of Mexico City, diplomats signed the Treaty of Guadalupe Hidalgo, which ended the war and had Mexico cede 1.36 million square kilometres (530,000 sq mi) of territory and the United States pay US$15 million.

Historical image related to Mexican–American War: During the American occupation of Mexico City, diplomats signed the Treaty of Guadalupe Hidalgo, which ended the war and had Mexico cede 1.36 million square kilometres (530,000 sq mi) of territory and the United States pay US$15 million. from February 2, 1848

Mexican–American War

Armed conflict between the US and Mexico (1846–1848)

The Mexican–American War, also known in the United States as the Mexican War, was an invasion of Mexico by the United States Army. It followed the 1845 American annexation of Texas, which Mexico still considered its territory because it refused to recognize the Treaties of…
Source: Wikipedia (CC BY-SA)

Mexico City

Capital and most populous city of Mexico

Mexico City is the capital and largest city of Mexico, as well as the most populous city in North America. It is one of the most important cultural and financial centers in the world, and is classified as an Alpha world city according to the Globalization and World Cities…
Source: Wikipedia (CC BY-SA)

Treaty of Guadalupe Hidalgo

1848 agreement ending the Mexican–American War

The Treaty of Guadalupe Hidalgo officially ended the Mexican–American War (1846–1848). It was signed on 2 February 1848 in the town of Guadalupe Hidalgo.
Source: Wikipedia (CC BY-SA)

Mexican Cession

Land the U.S. acquired from Mexico following the war in 1848

The Mexican Cession is the territory that Mexico ceded to the United States in the Treaty of Guadalupe Hidalgo in 1848 after the Mexican–American War. It comprises the states of California, Texas, New Mexico, Utah, Nevada, and Arizona, and parts of Colorado, Oklahoma, Kansas,…
Source: Wikipedia (CC BY-SA)

United States dollar

Currency of the United States

The United States dollar is the official currency of the United States and several other countries. The Coinage Act of 1792 introduced the U.S. dollar at par with the Spanish silver dollar, divided it into 100 cents, and authorized the minting of coins denominated in dollars and…
Source: Wikipedia (CC BY-SA)