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

During the 1920s, the federal reserve increased the money supply and kept interest rates very low, encouraging consumer spending and the brisk borrowing of money. business investment and the expansion of businesses grew rapidly during the 1920 to meet the needs of this huge consumer spending. however, during the crash of 1929, the federal reserve reversed its expansionary monetary policy and cut off the money supply by almost 30%, causing banks to not have enough currency on hand when depositors wanted their hard-earned money. after reading the prompt, what can you surmise happened next that contributed to the great depression? a) black tuesday b) collapse of banks c) high unemployment d) election of franklin d. roosevelt