What is the thing that early governments of African kingdoms had in common?

Ghana was the first kingdom of west Africa. Using the technology of storing grain and iron working the kingdom gained ascendancy in West Africa. Then with a monopoly with trade to the Islamic states became wealthy. The West African Kingdom would trade gold, ivory and slaves, for salt , manufactured goods, and cloth.

Explanation:

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What did the early governments of African kingdoms have in common? Royal officials took on extra responsibilities, Kings divided the empire into provinces, and the Kings put generals in charge of provinces.

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operation overlord was the codename for the battle of normandy, the allied operation that launched the successful invasion of german-occupied western europe during world war ii. the operation was launched on 6 june 1944 with the normandy landings

d. migration of french settlers into english colonies