What major contributions did Africans have in ancient times

u.s.a

china

india

and

japan

- "bill clinton ( the 42nd u.s. president, served in office from by low unemployment, declining crime rates and a budget surplus. during clinton's second term, the u.s. economy was healthy, unemployment was low and the nation experienced a major technology boom and the rise of the internet."

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your answer will most likely be a.