the g.i. bill was passed (1944) as the servicemen's readjustment act. the national security act (1947) placed the army, navy, and air force under the direction of the newly created department of defense. it also authorized the creation of the national security council and the CIA. the national industrial recovery act (1933) mandated that codes of fair competitive and labor practices be drawn up for different u.s. industries. the Johnson act (1924) placed limits on the number of persons who could immigrate to the united states during any given year.