"…the laws of the united states…and all treaties made, or which shall be made, under the authority of the united states, shall be the supreme law of the land; and the judges in every state shall be bound thereby…"

which type of government does the passage describe?

the central government has final authority, so the passage describes a confederation.
the state governments have final authority, so the passage describes a federation.
the central government has final authority, so the passage describes a federation.
the state governments have final authority, so the passage describes a confederation.