Where he thought that he landed was india that is why native american's are called indians often in history and or by people in general
I think that the colonists split from England because their freedom was diminished, I believe that the colonists also wanted spiritual freedom and social freedom, also England was pretty crowded and loaded with disease. After the revolution, they did receive what they wanted.
No one really knows, but we were apparently created in his image so maybe like us? Hope this helps! =^-^=