Complex sentence: At the outset, NRA Administrator Hugh Johnson naïvely believed that Section 7 (a) would be self-enforcing, but he quickly learned otherwise and the National Labor Board was established under the auspices of the NRA to implement the collective bargaining provisions of the Act.
Split into simpler sentences: At the outset, NRA Administrator Hugh Johnson naïvely believed that Section 7 (a) would be self-enforcing, but he quickly learned otherwise. In addition, the National Labor Board was established under the auspices of the NRA to implement the collective bargaining provisions of the Act.