What new methods and technologies revolutionized agriculture and made it practical to cultivate the great plains

15 pt (more than one answer)what are some of the ways businesses increased productivity? -obtained new machinery -obtained new resources -obtained new technologies -found ways to make their workers more efficient

What were the immediate effects of prohibition? check all that apply. bootleggers illegally made and sold alcohol. corruption and crime increased. speakeasies were the only legal places to buy alcohol. crime and corruption decreased. alcohol sales were banned in the united states.

According to some historians which marks at the beginning of the us civil war