After the Texas Annexation (when America admitted Texas into the Union as the 28th state), America claimed that Mexico was trespassing onto American soil. America claimed that the border between Mexico and The United States was the Rio Grande River. However, Mexico said it was the Nueces River. Many people believe that America claimed that the border was the Rio Grande River so they could easily acquire more land from Mexico.
Border dispute
Mexican War
texas
The United States fought Mexico over the dispute of the location of the Texas border, which ultimately led to the Mexican-American War from 1846 to 1848. The conflict arose after Texas gained independence from Mexico and was annexed by the U.S., with differing claims over the Rio Grande as the southern border. The war concluded with the Treaty of Guadalupe Hidalgo, which solidified U.S. territorial gains in the Southwest.
TheMexican AmericanWar (Treaty of Guadalupe Hidalgo) was about a treaty of peace between Mexico and the United States which ended the Mexican American War.
As a result of winning the Mexican War, California, New Mexico and Arizona,as well as parts North, were added to the union and the border between Texas and Mexico was firmed up and secured. He also settled with a treaty with Britain, a dispute over the Northern border of the Oregon territory.
Compromise of 1850
Compromise of 1850
sometime in the 1840's
Both Mexico and the United States claimed the Rio Grande River as the border between them. The dispute over this boundary was a significant factor leading to the Mexican-American War (1846-1848). After the war, the Treaty of Guadalupe Hidalgo established the Rio Grande as the official border, but tensions over territorial claims persisted.
No. The discovery of gold in 1848 came after the war. The war was a dispute caused directly by the US annexation of Texas and disagreements over the border line in the New Mexico Territory, which included Arizona, and the refusal of Mexico to sell a portion of it to the US. The US also invaded and took Alta (upper) California during the war.
Texas