+10PTS-Only answer If you know or I will report you!!!
What roles do the president and the Senate play in appointing Supreme Court justices? *

The appointing of Supreme Court justices is an important executive function. This is due to the fact that the Supreme Court judges are responsible for determing whether laws created by Congress or state governments are constitutional or unconstitutional. Since the Supreme Court is the highest court in the land, all states within the US must abide by their ruling.

Explanation:

would not cooperate with each other voluntarily.