When Colombus discovered the New World. They brought all kinds of live stock to the Americas then, back in 1492.
It was not introduced, for the Plains Indians stole the horses from the spanish.
No. Horses were introduced by the Spanish.
Its said that the Spanish first brought horses over when they came over searching for new land
Spaniards
I think they were introduced before the steam engine.
Horses were introduced to America by Europeans
plantations, slaves, and horses
Chuck norris
The Sioux traveled by horses, obviously.
Spanish A+
Horses
Cortes intorduced horses to the New World.