1) the Constitution, federal laws made pursuant to it, and treaties made under its authority,
2) when state constitutions or laws passed by state legislatures or the national Congress are found to conflict with the federal Constitution, they have no force.
3) Yes, all treaties are the “supreme law of the land”
4) The congress can shut down the government.
Answer:
The way that Railroads helped impact migration and settlement of the american west is; It helped with means of transportation and allowed for quicker means of the transportation.
Explanation:
There were many different ways people could transport things in the American west but most of them would be slower if they didn't construct a railroad.
