How did theodore roosevelt become a party nominee in the presidential election of 1912? roosevelt split from the republicans and formed the progressive party. roosevelt split from the republicans and joined the democratic party. roosevelt split from the democrats and formed a new republican party. roosevelt split from the democrats and formed the populist party. the answer is a

Roosevelt split from the Republicans and formed the Progressive Party.

The Progressive Party was a third party in the United States originated in 1912. Former President Theodore Roosevelt created it after he admitted defeat in the presidential nomination of the Republican Party to, incumbent President William Howard Taft. The new party was known for taking advanced positions on progressive reforms and luring a few leading reformers. After the party's defeat in the 1912 presidential election, it went into rapid decline, disappearing by 1918. The Progressive Party was popularly known as the "Bull Moose Party" .

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Correct answer is a: Roosevelt split from the Republicans and formed the Progressive Party.

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because they can and they wanted to.