Answer: I think it means dry place.
Explanation:
Is not true that Mali is the richest country in West Africa in fact is one of the poorest countries in the world.
Answer: The European traders brought new diseases to West Africa, for example. Smallpox and tuberculosis had a devastating impact on the populations of West Africa. ... Depopulation was not only caused by the arrival of new diseases. As the reference link notes, two-thirds of the people captured and sold into slavery were male.
Railroads were far more effective at transporting goods across the country without the risk or delay that comes with sailing. Canals while effective weren't as speedy or reliable as a train since boats are rather fickle things. The turnpikes were being used by wagons and carriages that I doubt could compete with Trains!