How has the population in ghana changed from how it was thousands of years ago? it decreased because the ancient africans used up northern africa's resources. it decreased because less rainfall caused northern africa to become a desert. it increased because farming methods improved and irrigation was introduced. it increased because the diseases that killed early africans became treatable.

explanation:

japan participated in world war i from 1914 to 1918 in an alliance with entente powers and played an important role in securing the sea lanes in the west pacific and indian oceans against the imperial german navy as the member of the allies.

he is known for discovering   the fossil of a female hominin australopithecine   known as "lucy" in the afar triangle region of hadar, ethiopia.

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