Turbidity. As your book/question states it is a measurement of cloudiness in water.
Because he found out they had gold and cures and they knew the land well and how to hunt and find food
<span>It was taken over by europe. The Europeans would also exploit the africans. Leopold would take over and take their leather. He used this leather for some of his weapons. The africans political entities vanished by 1914 also</span>
It strengthened the nations who were opposed to Soviet Expansion
Atleast that makes the most sense,
But the last option is kinda the same
