Which was unknown in Europe for European explorers visited the Americans A. coffee beans
B. sugar
C. pepper
D. tomatoes
​

The answer is D. Tomatoes

Hope this helps

D is the answer

Just think, why was it effective? -it appeled to critics because it was written well, that made it noticeable to the public including the white population-it was also recognizable to the african americans because it was about their heritage.-it was powerful just keep finding more points and elaborate on them. message me if you need more