Question: What is the term given to the period of time in which militaristic European powers increased their control of Africa from 10 to 90%?
Sentence (from "Scramble for 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 (present-day Somalia) and Liberia still being independent.
Relevant evidence: Yes