Answer:
( A ) he helped end unfair parctices by the railroads
Explanation:
i took the test
Article VI<span> or known as the Supremacy Clause proclaims to be the highest and supreme law of the land. It also states that state courts are bound by the supreme law, in any case, there are conflicts between the state and federal laws.</span>
It was to prevent the Soviets from bringing in more military supplies. He demanded the removal of the missiles already there and the destruction of the sites.