Which slaves were freed by president lincoln's emancipation proclamation? a. only those who were held in confederate territory b. only those who were held in border states c. all those who had escaped on the underground railroad d. all those who were living in the united states

What was one of the advantages that the united states had over europe regarding the industrial revol the united states had a continuous supply of potential factory worker the united states imported workers from europe to work in factories. the workers in the united states were more skilled than the workers in europe the united states didn't actively participate in the industrial revolution. instead they imported most of their goods from other countries.