Some colonies had a war of independence or revolt against their controllers (like French Algeria or Portuguese East Africa), some were given independence partly due to the fear of revolt (like the Belgian Congo), some were annexed by other nations (like the British Cameroons) and others were given independence through peaceful negotiations (like The Kenya Colony).
South Africa was the last to gain independence in 1994. Eritrea was second to last in 1993.
Some French colonies had strong independence movements.
The American Revolution
Great Britain... Great Britain had only just started establishing it's Empire in the 1820's. These colonies only started to gain their independence in the second half of the 20th century.
South Africa in 1910
The American Colonies wanted to gain independence from Great Britain.
The people of Africa gained some of their independence from countries like Great Britain. These countries occupied much of Africa and created colonies there.
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Wars
South Africa was the last to gain independence in 1994. Eritrea was second to last in 1993.
England
land
From South Africa.
Some French colonies had strong independence movements.
The process by which former colonies gain independence
In 1776, the American Colonies delcared their independence from Great Britain.
Gold Coast