Answer:B
Explanation:
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.
The answer is decrease, increase
They did cause they were terrible people who’s land and resource were failing
What's the context?
The industrial revolution
Even further back...
The agricultural revolution
Trade?
Communication?
Travel?
Exploration?
