According to the United States Constitution, if a state and the federal law conflict, the outcome is that "The federal law would prevail because of the supremacy clause."
Supremacy Clause is the clause in the United States Constitution that forbids states from inhibiting the federal government's use of its constitutional powers.
Supremacy Clause also forbids states from performing actions exclusively assigned to the federal government by the Constitution.
The Supremacy Clause can be found in Article VI, Paragraph 2 of the U.S. Constitution.
Hence, in this case, it is concluded that the correct answer is option B. "The federal law would prevail because of the supremacy clause."
Learn more about the Supremacy Clause here: https://brainly.com/question/1481445