Americans hated President Hoover. They believed that he was the source of all of their misfortune. To top off their hatred, Hoover refused to get the government involved in kickstarting the economy.
In the lower South the majority of slaves lived and worked on cotton plantations. Most of these plantations had fifty or fewer slaves, although the largest plantations have several hundred. Cotton was by far the leading cash crop, but slaves also raised rice, corn, sugarcane, and tobacco.
So slaves did a lot of heavy farm work and were household servants.
The first farming settlements in China developed "along the rivers," since the rivers provided crucial irrigation for crops, which allowed for richer, more plentiful harvests.
Answer:
(3) prohibition was difficult for police agencies to enforce
