QUOTE : In 1835, Americans in Texas rebelled against Mexican rule, waging a war under the command of a political daredevil named Sam Houston. In 1836, Texas declared its independence, founding the Republic of Texas, with Houston its president. Mexico’s president, General Antonio López de Santa Anna, warned that, if he were to discover that the U.S. government had been behind the Texas rebellion, he would march “his army to Washington and place upon its Capitol the Mexican flag.