In capitalism, supply and demand should accomplish wich of the following?

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.

List two inventions that were invented in the united states before the american civil war

How should the student cite this source using mla citation format?