Which is an important power of committee chairmen?

How do goods differ from services? (economics)

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.

Which events are correlated but do not necessarily have a causal relationship?