During the industrial revolution, how did innovations in technology affect the use of slave labor in the united states?
a. innovations in agricultural technology increased the production of cotton as a result, southern plantations needed greater numbers of enslaved workers
b. innovations in agricultural technology meant that fewer workers were needed on southern plantations. the demand for slave labor decreased
c. innovations in manufacturing technology increased production in southern factories. as a result, immigrants worked alongside enslaved workers
d. innovations in manufacturing technology