Answer:
B. This caused a decisive split in national elections.
Step-by-step explanation:
All of the three caused a split in national elections. Roosevelt is the only one who made it to the president of the United States. In the 1912 election, his participation made a split and allowed the victory of the Democratic nominee Woodrow Wilson.
Ralph Nader is an American activist, attorney, and author who is recognized for his involvement in consumer protection. He ran for president on several occasions as a third party candidate. His participation in the 2000 election was controversial because it is said that he split the votes directed to Al Gore and allowed the victory of Geroge W. Bush.
Finally but not least, Ross Perot was an American business magnate who ran for president in two elections as an independent candidate. His both campaigns are among the strongest presidential showing of an independent candidate in history. In the 1992 election, he compete head to head with the Democrat and Republican candidates, George Bush and Bill Clinton.
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