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.
The Mexican-American War, or Mexican War, was fought between Mexico and the United States from 1846 to 1848. Mexico has passed the boundary of the United States, has invaded our territory and shed American blood upon American soil. So U.S. President James K. Polk said in his message to Congress in May 1846.