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
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
Texas
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.
a dispute over the border between the two countries.
The Mexican-American War was a land dispute over Texas, New Mexico and Baja California.