How did alexander accomplish the goal his father was unable to reach?

an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

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mali had been a state inside of the ghanaian empire. after ghana fell because of invading forces and internal disputes, mali rose to greatness under the leadership of a legendary king named sundiata, the "lion king." the songhai empire, already weakened by internal political struggles, went into decline.