What is the reason for British invasion in Africa

Africa's natural resources

Explanation:

 Africa's valuable resources such as gold, ivory, salt and more, they did not hesitate on conquering the land. They wanted these resources because they needed them for manufacturing. Another resource in Africa was rubber which was very helpful and used in making many good-selling items like shoes.

one way archaeology us understand the past is through the material objects it finds, allowing us to know what was being used, and when. for example a dig recently found a flute, believed to be the oldest musical instrument found to date.

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the density would be a smaller number.