Pls me now which describes the supreme court's ruling in the dred scott case? a. runaway slaves could not be returned to their owners. b. the missouri compromise was upheld as constitutional. c. neither free blacks nor slaves could be american citizens. d. kansas and nebraska would henceforth be free states.

In 1816, john c. calhoun proposed that: a. that the federal government aid in the construction of roads and canals to improve transportation to and from the west b.the united states should end slavery. c.the united states should increasing the size of the navy and invade central america. d. the united states should annex hawaii