USA HISTORY

Detailed explanation-1: -Raw materials like precious metals (gold and silver), tobacco, sugar and cotton went from the Americas to Europe. Manufactured goods like cloth and metal items went to Africa and the Americas. Finally, slaves went from Africa to the Americas to work. This trade created great profits for Europe.

Detailed explanation-2: -Maize was able to grow in areas that were too wet for wheat and too dry for rice (Crosby, 1972). The crop was also rotated with wheat, so Europeans could now grow two crops in a year instead of one crop (Crosby, 1972). Maize grows quickly and produces a large yield (Crosby, 1972).

Detailed explanation-3: -There are indeed a number of highly important crops grown in the Americas that were introduced by European settlers. These include oranges and other citrus fruits, bananas, apples, almonds, onions, wheat and rice.

Detailed explanation-4: -Christopher Columbus introduced horses, sugar plants, and disease to the New World, while facilitating the introduction of New World commodities like sugar, tobacco, chocolate, and potatoes to the Old World. The process by which commodities, people, and diseases crossed the Atlantic is known as the Columbian Exchange.