Beginning of Mexican American War

Mexico war with The annexation of Texas caused an immediate rupture between the United States and Mexico, for the latter claimed Texas as a part of her territory, notwithstanding its independence had been acknowledged by the United States, England, France, and other governments. When Congress had adopted the joint resolution for the annexation of Texas to the United States, General Almonte. The Mexican minister at Washington, protested against the measure and demanded his passports. On June 4 following the President of Mexico (Herrera) issued a proclamation declaring the right of Mexico to the Texan territory, and his determination to defend it by arms, if necessary. At the same time there existed another cause for serious dispute between the United States and Mexico.