The Columbian Exchange spread different plants all over the world. It spread sugar cane, bananas, wheat, and coffee beans to the New World. It also spread maize, pineapples, tomatoes, and potatoes to the Old World. The Columbian Exchange brought horses, cattle, sheep, goats, pigs, and a collection of other useful species to the Americas. Before Columbus, Native American societies in the high Andes had domesticated llamas and alpacas, but no other animals weighing more than 45 kg (100 lbs).
One result of the collapse of the Western Roman Empire was the Byzantine Empire lost control of North Africa. The correct answer is D.
I believe that they are similar because they are stating one of their traits, and helping you find out how much the two subjects have in common and how different they are
