To begin with, the League of Nations did have good intentions to begin with and to say that it was a complete failure would be egoistic in nature. The League had reduced much pain and sorrow after the events of World War I.
The Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe-Hidalgo, 1845â1848. During his tenure, U.S. President James K. Polk oversaw the greatest territorial expansion of the United States to date.
General Zachary Taylor led the main U.S. force to quick victories in northeastern Mexico. At that juncture the government of Mexican president Mariano Paredes y Arrillaga was overthrown, and Santa Anna reemerged as president in September 1846.