Which fact provides the best evidence that World War II impacted Louisiana’s social system?

About 40,000 workers harvested trees from Louisiana forests during the war.

The number of black voters in the state rose from 886 in 1940 to 7,561 in 1946.

The U. S. Army conducted the Louisiana Maneuvers from 1940 through 1944.

By 1942, Baton Rouge was refining 76 percent of all U. S. airplane fuel.