Claim: United States Senate contains different political parties
Evidence: He or she and other floor leaders are chosen by the Democratic Caucus or the Republican Conferences , depending on whichever party has more voting members.
The Democratic Party is one of the two major contemporary political parties in the United States , along with the Republican Party.
The Republican Party , commonly referred to as the GOP -LRB- abbreviation for Grand Old Party -RRB- , is one of the two major contemporary political parties in the United States , the other being its historic rival , the Democratic Party.