I thought the Angola flag looked bad ass so I looked the country up on Wikipedia. This struck me as a bit odd.

"Angola achieved independence in 1975 as a one-party Republic, but the country descended into a devastating civil war the same year, between the ruling People's Movement for the Liberation of Angola (MPLA), backed by the Soviet Union and Cuba; the insurgent National Union for the Total Independence of Angola, an originally Maoist and later anti-communist group supported by the United States and South Africa"