Question: what areas of africa were involved in colonization?
Answer: 90 percent of the continent

The "Scramble for Africa" was the occupation, division, and colonisation of African territory by European powers during the period of New Imperialism, between 1881 and 1914. It is also called the Partition of Africa and by some the Conquest of Africa. In 1870, only 10 percent of Africa was under European control; by 1914 it had increased to almost 90 percent of the continent, with only Ethiopia (Abyssinia), the Dervish state (a portion of present-day Somalia) and Liberia still being independent.