Who is in charge of upholding the supremacy clause of the united states constitution?
a. individual state courts be? individual state governments
c. the president of the united states
d. the united states supreme court.

Using the pictures and text for reference describe what had to be done to create the central park today

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.

The permo-triassic extinction event had a greater impact on the number of earth's species than did the extinction event at the end of the cretaceous true false