Maybe give them a easier time and maybe not be so hard on them
Answer: The manor system offered people protection.
Explanation:
It was called the blitzkreig or lightning war which is just massed infantry movemetns alongside tanks trucks and massive air support
I don't know what region you are specifically talking about but typically, colonists pushed into native American lands stealing them and killing them when they refused to move.
Colonist also brought diseases from Europe that killed a large number of the native population and engaged in constant warfare with them. Native Americans would raid colonies and vice versa.