France
France
As it is known today, Liberia was not colonized by any European power; it was colonized by the United States of America.
Ethiopia
France and England
The European country that colonized Libya was Italy and in 1947 Italy lost Libya as a result of WWII.
This is when most of the European countries were fighting over power. It was the time where Europeans had invaded and had colonized almost all of Africa, and started to colonized central Asia.
Diem.
France as the former colonial power.
France. It ruled there until 1949.
The western power that colonized Nigeria was the British Empire. They mainly wanted to take this area to secure their Nigerian trade interests from other powers like Germany and France.
Liberia was the only country in West Africa to not be colonized by a European Power as it already had a "legitimate" Western-style government.
Both were revolutionary wars against a European colonial power.