What might happen if some states enforce laws and others don't?

It acknowledged that states can declare federal laws unconstitutional; but the declaration would have no legal effect unless the courts agreed. ... There, he wrote that an individual state cannot unilaterally invalidate a federal law. That process requires collective action by the states.

Explanation:

it would cause people to break more rules then ever

warfare was the primary means of cultural transmission in both regions.

bipartisan basally means two groups of people who dont agree with each other (republican and democrat) make an agreement or work with each other