 Complete the following phrase:  Texas, settled primarily by Anglo-Americans, fought a successful war of independence against Mexico in 1836. Mexico refused to recognize the independence and warned that annexation to the United States meant war. US Annexation of Texas occurred in 1845; predictably, war followed annexation in 1846. Due to an ambush, the American military was triumphant. As a result of the mexican president at the time, Antonio Lopez de Santa Annas capture, the newdly United States were able to purchase New Mexico, Arizona, California and adjacent areas. About 60,000 Mexicans remained in the new territories and became US citizens. In 1862, French forces under Napoleon III invaded and 