Answer: language group
Explanation:
The word Bantu refers to a common language group.
In the 15th century, Portuguese explorer Prince Henry, also know as the <em>Navigator</em>, was the first known European to explore Africa, therefore your answer is B.
At the start of World War I, European powers held vast colonies in India, Africa, and Asia. Colonies they frequently controlled with military force. Troops were often made up of local soldiers, who were sometimes used to fight against their own countrymen, but rarely against white men, and never in Europe.
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