Which of the following best describes the Columbian Exchange that occurred during the Age of Discovery? A. It was an exchange of
trade foods only. B. It was a genetic shift due to population interbreeding. C. It was a religious transformation. D. It was an ecological transformation.
<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.
The Battle of Britain was the first major campaign to be fought entirely by air forces, and was also the largest and most sustained aerial bombing campaign to that date. The Battle of Britain marked the first defeat of Hitler's military forces.
