"Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That for the purpose of maintaining and operating the properties now owned by the United States in the vicinity of Muscle Shoals, Alabama, in the interest of the national defense and for agriculture and industrial development, and to improve navigation in the Tennessee River and to control the destructive flood waters in the Tennessee River and Mississippi River Basins, there is hereby created a body corporate by the name of the "Tennessee Valley Authority."

--United States Congress, 1933
According to the excerpt, what was one of the main factors that caused Congress to pass this piece of legislation?
A) to help in the war effort by producing military goods
B) to help provide jobs for unemployed Tennessee citizens
C) to help produce electricity for rural areas of the south
D) to help control destructive flooding that affected the area