The Mexican Frontier, 1821–1846 published by other historians. This work was supplemented by additional primary materials which he discovered in the archives that allowed him to delve further into certain areas. "The Mexican Frontier" examines the southwestern United States, specifically the areas now known as Arizona, California, New Mexico, and Texas, in the twenty-five years between Mexico's independence from Spain and the beginning of the Mexican–American War. This resulted in the transfer of control of the border areas to the United States. In the early days of the Republic of Mexico, these areas comprised its northern border, including the territories of Alta California and
Mexican lacquerware produced a wider variety of designs, often based on the exuberant vegetation of the region. Lacquerware went through fashions. For example, in the mid 17th century, wood oval trays with scenes from Don Quixote were very popular. However, by the end of the colonial period, the upper class clientele for lacquered furniture were able to buy this and many decorative items from Europe, limiting Mexican lacquer work to small boxes and other trinkets. In 1810, the Mexican War of Independence broke out and for the next eleven years, the lacquer industry waned, along with most other handcraft production, until it