Goods originated from Mali: gold, ivory, copper;
Goods that Mali obtained through trade: salt, horses;
The Mali Empire was the largest and most powerful African Empire. It was relatively well developed, used its numerous natural resources to get wealth, and was heavily involved in trade. Some of the natural resources of Mali were the gold, copper, and ivory, and this empire used them to get enormous amounts of wealth, as these things were highly demanded and appreciated.
The wealth that Mali was getting, was later used for obtaining things through trade that the empire lacked, like the salt and the the horses. The salt was very popular for the cooking, while the horses were in high demand for transport and warfare.
The answer it’s number 4 “implied power”
True, the committee was one of the most effective propaganda machine in history
Established in 1917 by Woodrow Wilson to influence public opinion on the war, the war information committee turned out to be a formidable propaganda channel,employing renowned political theorists from all walks of life to market the war to the American public as a divine necessity.
I’m 90% sure the main idea of Truman’s statement is that they should never be used in war because of the unnecessary total destruction of virtues and killing of 100,000’s of innocent civilians