A filibuster in the United States Senate is a strategy utilized in the United States Senate in order to keep a measure from being brought to a vote.
<u>Explanation:</u>
The most widely recognized form of delay happens when at least one congresspersons attempts to postpone or hinder a decision on a bill just by expanding banter on it.
In 1917 congresspersons embraced another standard (rule 22) at the asking of President Woodrow Wilson, which enabled the Senate to end a discussion with a 66% greater part vote (utilizing a gadget known as cloture).
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.
The answer is Mathematics
Well to start of with u can cross out a and c so now your left with b and c
So the answer is (D)