Most people in Central Africa are commercial farmers.
The best describes the contributions of frederick douglass during the civil war is : douglass was an abolitionist who encouraged the union to allow african american to enlist
Before his effort, the contribution of African American for the army was limited in the factory, when they labored to create military supply.
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because he got irritating with them
Explanation:
Mark brainliest
Answer:
a wide spread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas and the Old World in the 15th and 16th centuries
