The federal government needed to regulate the settlement of western lands to

a)increase the number of slave states
b)secure the land for native americans
c)raise revenue to pay off its debts
d)prevent european nations from buying the land

The question is asking to choose among the following choices that could complete the said passage in the question, base on my research, I would say that the answer would be letter D)prevent European nations from buying the land. I hope you are satisfied with my answer and feel free to ask for more 

D

Explanation: