Federal administrative agencies are given existence and powers by the Congress through enabling legislation. These agencies, in turn, promulgate administrative regulations which, if promulgated within the authority given the agency by its enabling legislation, have the force and effect of law.
Many independent agencies hold important policy-making powers. Even some agencies within the executive departments hold such powers. These agencies use their prerogative to enforce social policies. The Internal Revenue Service, for example, has become on of the most powerful organizations of the federal government. It has used its power to interpret and enforce tax laws in order to promote the agency's socialistic sense of economic fairness.
The United States have a wide variety of different federal agencies which currently operate. One of the most well known federal agencies is the Federal Bureau of Investigation.
None..state powers have state powers and federal powers have federal powers. The powers not given to the federal government belongs to the state so they each have different powers.
The Federal Registers
Powers shared between states and the federal government are Concurrent powers.
The president has federal agencies and the armed forces to enforce policies and laws. However Congress has the purse strings to fund this.
d. expressed powers of the federal government
The Constitution states that expressed powers are the federal governments.
One can find a list of US federal agencies by going to the USA website. The website has an index that lists the US federal agencies from the letter A to the letter Z.
federal agencies
The Federal Registers