Ecuadorian War of Independence Ecuadorian War of Independence The Ecuadorian War of Independence was fought from 1820 to 1822 between several South American armies and Spain over control of the lands of the Royal Audience of Quito, a Spanish colonial administrative jurisdiction from which would eventually emerge the modern Republic of Ecuador. The war ended with the defeat of the Spanish forces at the Battle of Pichincha on May 24, 1822, which brought about the independence of the entire "". The Ecuadorian War of Independence is part of the Spanish American wars of independence fought during the first two decades of the 19th century.
Mexican–American War could not be released from its obligations. The US was released from all obligations of Article XI five years later by Article II of the Gadsden Purchase of 1853. The 1848 Treaty of Guadalupe Hidalgo ended the war and enforced the Mexican Cession of the northern territories of Alta California and Santa Fe de Nuevo México to the United States. Mexico acknowledged the loss of what became the State of Texas and accepted the Rio Grande as its northern border with the U.S. The losses amounted to one-third of its original territory from its 1821 independence. Before the secession of