Answer:
The Supremacy Clause of the Constitution of the United States (Article VI, Clause 2), establishes that the Constitution, federal laws made pursuant to it, and treaties made under its authority, constitute the "supreme Law of the Land", and thus take priority over any conflicting state laws.♀️
It was a direct effect of the cause of ww1
D.
Because the author can show how characters change (A), but they need to show how the characters acted before the change (C). And B is just what explains the character.
B.
The Gibbons v. Odgen was a decision that ruled that Supreme Court could regulate interstate commerce.
