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
Mozambican War of Independence Mozambican War of Independence The Mozambican War of Independence was an armed conflict between the guerrilla forces of the Mozambique Liberation Front or FRELIMO (Frente de Libertação de Moçambique), and Portugal. The war officially started on September 25, 1964, and ended with a ceasefire on September 8, 1974, resulting in a negotiated independence in 1975. Portugal's wars against independence guerrilla fighters in its 400-year-old African territories began in 1961 with Angola. In Mozambique, the conflict erupted in 1964 as a result of unrest and frustration amongst many indigenous Mozambican populations, who perceived foreign rule to be a form of exploitation