It was South Africa and Angola, and a successful operation by the South Africans at Cuito Cuanavale gave proof to the world of direct Soviet involvement, pushed the Cubans out of the war, and ended the war. South Africa gave up Namibia.
All 3 are countries in the continent of Africa. South Africa forms the southern end of the continent. Namibia is on the southwest of Africa and shares a border with South Africa. Angola borders Namibia, being to the north of it.
Portuguese Angola ended in 1975.
The ending for Namibia is .na.
People's Republic of Angola ended in 1992.
Angola Transfer Company ended in 1929.
Republican Party - Namibia - ended in 2010.
Democratic Coalition of Namibia ended in 2009.
I must assume that you're not talking about any of the cities/towns of Angola in Indiana, Kansas, Louisiana, North Carolina, or New York, since the Prime Meridian doesn't come anywhere near North America. The point in the African country of Angola that's closest to the Prime Meridian is the point on the Atlantic coast at the west end of the Angola/Namibia boundary. The longitude at that point is 11.756° East ... about 710 miles east of the PM.
United Nations Institute for Namibia ended in 1990.
United Nations Angola Verification Mission I ended in 1991.
There are two countries that start and end with a. The two are Angola and Algeria.
Guatemala, Angola, Venezuela