Final answer:
Christopher Columbus introduced cattle to the New World during his second voyage in 1493, marking the start of cattle ranching in the Americas.
Step-by-step explanation:
The first man to introduce cattle to the New World was Christopher Columbus. He brought cattle over on his second voyage to the Americas in 1493 as part of the Columbian exchange. The purpose of introducing cattle to the New World was to provide a sustainable food source for the Spanish colonists. The cattle adapted well to their new environment, and their population grew rapidly. This marked the beginning of cattle ranching in the Americas.
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