When any Supreme Court Justice ha to be appointed , he or he has to be nominated by the President and approved by the Senate. March 16, 2016, President Obama nominated Merrick Garland to fill the vacant seat in the Supreme Court of the USA. There was no consensus on the nomination of Merrick Garland. As the nomination was done in the election year, thus the majority of the Senate members were not in favor of confirming this nomination. Most of them favored that once the new president is elected, it should be his or her right to nominate the judge for the vacant position. No decision was taken by the senate and on January 3, 2017, wit the end of 114th Congress, the nomination of Garlan got expired and new president Donald Trump nominated Nei Gorsuch and he was confirmed by the Senate on April 2017
Judge Kavanaugh was nominated by President Trump and the voting was done for his appointment in the senate where the member voted as per their party line and the nomination got approval with a very thin majority of 50 to 48 votes
The confirmation of Judge Kavanaugh was done during the midterm election and there was a tough fight between the two parties to win the majority in the house but Republicans were successful in winning the slim Senate majority. There was a bitter fight between the parties on this nomination and
References-
Savage, David G. (November 8, 2014). "Obama unlikely to alter Supreme Court ideology with Republican Senate". LA Times. Retrieved March 12, 2016
Martin, Jonathan; Healy, Patrick (February 16, 2016). "Supreme Court Path Is Littered With Pitfalls, for President and G.O.P." The New York Times. Retrieved March 3, 2016
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01/25/20 be original and use your own words Remember - there was an empty Supreme Court...