Coming and going from the forest were beef and pork and lard, buffalo robes and bear hides and deerskins, lumber and lime, tobacco and flour and corn. It was the cotton bales and hogsheads of sugar, stacked high on the levee, however, that really made the New Orleans economy hum.
Majority of people worked in farming. So I would say C farming
The car culture had a big influence on the migration in 1950's. After the war, the country became one of the world's largest manufacturer of automobiles. Every American family wanted a car and with the new highway system, it made things easier for everyone to migrate from North to South and West to East.
We haven't seen the article therefore cannot answer it for you.