What was the outcome of conflicts between native americans & the u. s. military on the plains?

Which statement best describes the underground railroad? a.) it is a train that took slaves from the south to the north. b.) it is a business that harriet tubman founded to slaves become free. c.) it is a secret route that slaves took to escape from southern slave states to the north. d.) it is a road that slave owners disliked using for travel.

What action of the british government that led to the constitution

Poland a: nato b: warsaw pact c: not a member of either alliance