as shown, those cases indicate nothing about whether the state must do what the federal government tells them......they held they could not do what the government told them NOT to......now again, if you have any cases that say the state can refuse to do what the federal government tells them to I would love to see it.....
There is no such law...why? Its simple....the states have sent representatives from each sovereign state to DC for the specific reason of "representing" each and every state via their acts of common legislation, each act of law must be drafted, and ratified through state representation by at least a 50 + 1 majority....but "tradition" maintains that in all acts of legislation that may have great impact on all the states that act "should" require a 60% majority...while all amendments to the ratified state contract known as the Constitution must have at least a SUPER MAJORITY of 75% or 3/4 majority representative ratification.
Where the rule of law gets foggy...lies with the federalist LAWS that have never come close to seeing representation by THE PEOPLE/STATES. Take for instance the many independent branches of non-elected, none represented layers of Central Government bureaucracy...like the EPA, they make up the laws as they see fit void of any state representation. Laws that have effect on every state in the UNION....laws that drastically effect jobs and state economies.
These laws have not seen a 60+1 vetting process of representation....hell these laws have not seen a 50+1 vetting process among the state representatives.....these laws are manufactured with no limits, no oversight, and no representation whatsoever....and as witnessed recently new laws for the EPA can be generated by the White House.....
These are the cases that need to be litigated with extreme prejudice....by the peoples representatives and the peoples court system all the way to the supreme court.
That's exactly why represented acts of FEDERAL LAW must be complied with by all the sovereign states....those laws have been legislated via the will of the STATES/PEOPLE already...there is in most circumstances nothing for the courts to litigate with common law. Traditionally.....the compliance with laws where both state and federal governments address the same circumstance...THE LAW WITH THE GREATEST PUNITIVE ACTION SHALL BE ENFORCED.
The 10th article in the State Bill of Rights (also voted on and ratified by a 75% super majority representation) simply states that if no REPRESENTATIVE LAW exists....or there are no words prohibiting such a law in direct, "verbatim" conflict with the Constitution...i.e., where the Constitution is silent...that silence belongs to the STATES/PEOPLE to litigate how each state's representation legislates a common law.
Its not rocket science....the entire Bill of Rights (the 1st 10 amendments to the contract/constitution among the states was drafted to avoid "AMBIGUITY"...and to make clear that the constitution was drafted as a negative document to limit the power and scope of the Federalist Power professed by the Central Government....nothing else.
In other words the 10th states very clearly with no ambiguity whatsoever that the silence of the constitution (words not written or legislated at the congressional level or contracted via the Constitution) belong to .....who? The Federal courts..themselves part of the federalist power base which the constitution was drafted to restrain....part of the Central government itself? Or to the states that actually drafted, voted on, and ratified by super majorty....that contract? Of course the 10th says clearly that all words not found to exist or GRANTED TO THE CENTRAL GOVERNMENT (i.e., act of representative legislation)....belong to THE PEOPLE/STATES.
Once again...to be clear as the precedent of the courts have already established....if there exists a represented act of law at the federal level, that law must come into compliance or be enforced at the state level...as its the LAW OF THE LAND....the established rule of law for THE UNITED "STATES" OF AMERICA.
In reality.....any state could tell the EPA to "PISS OFF"....and litigate that stance all the way to the supreme court, and be validated under article 10 of the states bill of rights...if there existed true constitutional judges on the supreme court.