Explanation: When the Spaniards arrived in the Americas, they introduced livestock, new crops and other domestic animals from Europe to the Americas. The introduced animals and crops impacted the environment of the Americas negatively. It transformed the environment and killed many living beings in the Americas.
OR/ALSO
Positive effects
Spain's purposes to colonize Mexico and the other colonies were getting new land, resources, and to spread Christianity. As they conquered Mexico, they got new land. Spain plundered lots of resources from their colonies, opened up trade and get profits and spread Christianity.
