What impact did the introduction of horses have on the Americas?(1 point)
Responses
a. Horses were already native to the Americas.
a. Horses were already native to the Americas.
b. Horse's primarily served as pets.
b. Horse's primarily served as pets.
c. Horses were essential for work, war, and transportation.
c. Horses were essential for work, war, and transportation.
d. Horses had no significant impact.