Such is the case with polychlorinated biphenyls (PCBs), the chlorinated hydrocarbon by-products of various industrial processes that were routinely discharged into U.S. waterways until the late 1970s when the federal government not only prohibited the continued discharge of the chemicals into the environment but their production as well.
There were versions that maintained the boundary line set up by the Missouri Compromise that only prohibited slavery in the North, versions that said the legality of slavery was a state decision, and still others that limited the regulatory authority of Congress to the transportation of slaves across state borders.
In an effort to rid Chile of nueva canción and, by extension, of the populist sentiment that created it, Pinochet not only prohibited the performance and broadcast of the music but also banned the use of those indigenous instruments that were most closely associated with it, particularly the charango.
The original bill only prohibited animal testing conducted within Canada's borders.
The Emoluments Clause includes a role for the legislature, noting that foreign gifts are only prohibited "without the Consent of the Congress," and previous Presidents have asked for permission to keep presents from foreign governments.
Electrochemical measurements demonstrated that the CBD treatment not only prohibited interfacial charge recombination but also prolonged the electron lifetimes, resulting in a significantly enhanced efficiency of 1.90% under the illumination of one sun (AM1.5, 100 mW cm−2).
The judges said that guarantee only prohibited interference in the way a person lived their life, not on how they wished to die.
The White House at first appeared to support the measure because it only prohibited disclosure of information that was "properly classified," not merely embarrassing.
The board is not only prohibited from making proposals that would ration care, it cannot call for changes in Medicare benefits or eligibility, or increases in premiums or cost-sharing.
Many state and federal court cases have not only prohibited the teaching of creationism and intelligent design in public-school classrooms, but have also restrained teachers from introducing arguments against evolution in contravention of a school district's curriculum.
