Do you think americans adopted slavery more as a matter of economics or as a matter of racism?

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

Who signed an order stating that children who had been brought into the united states illegally could stay if they met certain requirements? president barack obama president george w. bush president bill clinton president george h. w. bush

Mediums of exchange promote trade by