Bantu introduced several crops while migrating across Africa, yams, sorghum and millet.
ANSWER: A) could not focus only on business and economics.
EXPLANATION: The dollar diplomacy was not limited to the discussions of business and economics favoring USA but it also expanded to terms of foreign policy. It was also discussed that the USA has the right to intervene if any country in the western hemisphere appears politically and financially vulnerable.
His armada was destroyed by winds and waves.