19th century new national borders. The Concert of Europe attempted to preserve this settlement was established to preserve these borders, with limited impact. Most countries in Central America and South America obtained independence from colonial overlords during the 19th century. In 1804, Haiti gained independence from France. In Mexico, the Mexican War of Independence was a decade-long conflict that ended in Mexican independence in 1821. Due to the Napoleonic Wars, the royal family of Portugal relocated to Brazil from 1808-1821, leading to Brazil having a separate monarchy from Portugal. The Federal Republic of Central America gained independence from Spain in 1821 and
Angolan War of Independence the MPLA after Neto reasserted his leadership. The combined forces of the MPLA, the UNITA, and the FNLA succeeded in their rebellion not because of their success in battle, but because of the Movimento das Forças Armadas' coup in Portugal. The MFA was an organisation of lower-ranked officers in the Portuguese Armed Forces which was responsible for the Carnation Revolution of 25 April 1974, which ended the Portuguese Colonial War and led to the independence of the Portuguese overseas territories. The MFA overthrew the Lisbon government in protest against the authoritarian political regime and the ongoing African colonial wars, specially