Hello There! ^_^
Your question: What were the three main Indian groups before European explorers arrived..?
Your answer: The Mayan, the Aztecs and the Incas were the three main Indian groups before European explorers arrived.
Hope this helps!
It’s c bestie, or the third one down
Answer:
Because of the holistic approach of the geography.
Explanation:
Almost any area of human knowledge can be examined from a spatial perspective.