What did Louisiana 'wets" believe during the Prohibition era? O Prohibition would hurt the state's economy.
Prohibition would improve the state's economy.
Alcohol caused the high rates of violence in New Orleans.
Alcohol had a number of medical benefits.

Prohibition would hurt the state's economy.

Explanation:

The Prohibition era was a time in the history of the United States between 1920 and 1933 when the production, sale and importation of alcohol was banned as it was viewed to be immoral and harming the nation.

The 'wets' were those who were against Prohibition and in Louisiana, believed that the Prohibition was harming the state economy. Indeed it was estimated that as a result of Prohibition, more than 700 saloons and 7 distilleries went out of business.  

eliminate individuals who opposed his rule

i believe we're not a republic so that is a hard question