What is the meaning of the supremacy clause? a. States are supreme in all areas not delegated to the federal government.
b. If federal and state laws conflict, valid federal laws take precedence.
c. The Supreme Court has the final word in all court cases in the United States.
d. State judges have the final word in all cases arising under state law.

b. If federal and state laws conflict, valid federal laws take precedence.

Explanation:

The Supremacy Clause, which refers to Article VI, Paragraph 2 of the United States Constitution states that states are not allowed to interfere with the federal government when discharging its duties and also that states cannot assume the function meant for the federal government.

Therefore what this means is that, if federal and state laws conflict, valid federal laws take precedence.

the treaty of brest-litovsk was a peace treaty signed on 3 march 1918 between the new bolshevik government of russia and the central powers (german empire, austria-hungary, bulgaria, and the ottoman empire), that ended russia's participation in world war i.