3. Could Christopher Columbus have sailed to the Americas without
Ferdinand and Isabella's support?
Explain.

No, he had no money and no crew to sail with him. Ferdinand and Isabella provided him with the money for the ships and the supplies he would've needed, which he couldn't obtain otherwise.

Explanation:

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44