This part of the constitution is significant because it clarified that:
a. state law is always superior to federal law
b. neither federal nor state law can contradict the other
c. federal law is always superior to state law
d. state and federal laws have no shared areas of responsibility

C. Federal law is always superior to state law

Explanation:

This part of the Constitution is found in Article VI, Paragraph 2, and is often referred to as the Supremacy Clause. Such fragment establishes that all federal laws are the supreme Law of the Land and therefore all states, federal officers and judges are bound by it, meaning that in case of a conflict between state and federal laws, the federal laws is the one that shall prevail.

Federal law is always superior to state law.

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts

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