The triangular trade<span> involved a trans-Atlantic system of </span>trade<span> by which European nations traded guns, textiles, and liquor in West Africa in exchange for slaves. ... The American colonies were sources of these raw materials and were made into finished products in Europe.</span>
Answer:
Genghis Kahn wanted control of the Roman Empire because of it's trade value.
Hi! I think there's no image of the chart but I'd like to answer about the Columbian exchange that might be the answer. The Columbian Exchange started was the widespread of trading of Americans and Afro-Asians and was followed by the voyage of Christopher Columbus to the Americas in 1492. They were exchanging plants, animals, technology, ideas, diseases and human populations.