The question is asking us "What was one effect of the conflicts between Native Americans and white settlers?" and we have three options to choose from. the correct option is C.)Over time, Native Americans lost the ability to effectively resist white settlement." We can see this for example in the fact that there are almost no native Americans today in the US, and most of them are assimilated and virtually none live in the livestyle they had before the settlers came - so they did not manage to resist the while settlement
