Which statement describes a difference in how the age of exploration affected africa and the americans

The primary positive effect of the Colombian exchange was the introduction of New World crops, such as potatoes and corn, to the Old World. The most significant negative effects were the transmission of African populations into slavery and the exchange of diseases between the Old and New World.

i belive the continental association was created to boycott all contact with british goods.

i also belive it was in december 1, 1774