Mexican Cession Mexican Cession, with considerable local autonomy punctuated by several revolts and few troops sent from central Mexico, in the period from 1821–22 after independence from Spain up through 1846 when U.S. military forces seized control of California and New Mexico on the outbreak of the Mexican–American War. The northern boundary of the 42nd parallel north was set by the Adams–Onís Treaty signed by the United States and Spain in 1821 and ratified by Mexico in 1831. The eastern boundary of the Mexican Cession was the Texas claim at the Rio Grande and extending north from the headwaters of the Jojo
Portuguese Colonial War had been administered by a provisional government, representatives of the Portuguese government and FRELIMO signed an agreement to grant independence to Mozambique, with the president of FRELIMO to assume the presidency of the newly independent nation. This was followed the next month by the announcement of the independence of Cape Verde, and the establishment of a new nation, the Republic of Cape Verde. In Angola, the Alvor Agreement was signed on January 15, 1975, granting Angola independence from Portugal on 11 November 1975. The Alvor Agreement formally ended the war for independence. The agreement, while signed by the MPLA, the