The Mexican Frontier, 1821–1846 The Mexican Frontier, 1821–1846 The Mexican Frontier, 1821–1846: The American Southwest Under Mexico by historian David J. Weber is a history of the part of Mexico's north and northwest that became part of the United States after the Mexican–American War. The book examines territories on the northern frontier of Mexico, including what is now Arizona, California, New Mexico, and Texas, in the twenty-five years after Mexico gained its independence from Spain. Weber emphasizes the role of Mexicans in the region through this period of transition, particularly before and during the Texas war of independence, as well as exploring the region
History of Hispanic and Latino Americans in the United States from Nacogdoches traded with the French and Anglo residents of Louisiana, and were culturally influenced by them. The third settlement was located North of the Rio Grande toward the Nueces River. These Southern ranchers were citizens of Spanish origin from Tamaulipas and Northern Mexico, and identified with both Spanish and Mexican culture. 1821, Agustin de Iturbide launched a drive for Mexican Independence. Texas became a part of the newly independent nation without a shot being fired. In 1821 at the end of the Mexican War of Independence, there were about 4,000 Tejanos living in what is now the state of