True, the US Congress was active in implementing labor related legislations. President Theodore Roosevelt gave importance to the labor unions are needed to help on the collective bargaining agreements between employers and employees. The effects of The Great Depression were hard for the workers, it is a call of their duty to act on it.
The highest in the caste system are the Brahmins.
separation of powers. A fundamental principle of the United States government, whereby powers and responsibilities are divided among the legislative branch, executive branch, and judicial branch.