Answer:
The Columbian exchange began after Christopher Columbus discovered America in 1492.
Step-by-step explanation:
Spanish settlers started trading connections with the natives and exchange goods and materials. The exchange introduced food, animals, new plants, and diseases. Cattle like goat and pig became the diet of the Native Americans. After the arrival of the horses, it changed the lifestyle of the Native Indians. European introduce horses and cattle like oxen, pigs, donkeys, dogs, sheep, and goats. Europeans found alpacas, turkey, llamas, and guinea pigs along with new foods like potatoes, corn, chillies, etc. in the New World.