<span>D. It was an ecological transformation.</span>
Columbian Exchange was the introduction of Old World plants and animals into the New World and the other way. An example of this was the introduction of tomatoes and potatoes to Europe.
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Alonzo Franklin Herndon was an African-American entrepreneur and businessman in Atlanta, Georgia. Born into slavery, he became one of the first African-American millionaires in the United States, first achieving success by owning and operating three large barber shops in the city that served prominent white men.