What parts of Native life changed when Europeans brought pigs, cows, and horses to the New World?

Both Europeans and Native Americans were introduced to new diseases. However, the Native Americans were greatly effected because their immune systems and bodies weren't as great as the Europeans were. The Natives population decreased dramatically and they had no way of curing these harmful diseases. Many Native Americans used horses to transform their hunting and gathering into a highly mobile practice.

Explanation:

the anasazi indians were real pioneers and created roads and irrigation systems for watering their crops. they were also great architects and the cliff dwellings are one of their biggest achievements.

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