[bacondude3]

State laws that contradict federal legislation is not a foundation of Federalism, though.

[kube-system]

1. It sort of is. The prevailing founding arguments for federalism was as a check against the national government. Even today, 35 states contradict the federal government's regulation that states marijuana has "no currently accepted medical use"

2. Only SCOTUS can definitively say whether or not may-issue contradicts the 2nd.