Great Plains, Canadian Shield, the varied eastern region,and the Caribbean.
Observation or experience rather than theory or pure logic.
Answer:
B No state may contradict federal law.
Explanation:
The suprememacy clause lays out how Federal law is always superior to state laws, if a state creates a law that contradicts federal laws it could go to the Supreme Court for a ruling, which in turn could nullify the law if it is found to violate the suprememacy clause.
