Theodore Roosevelt caused he because he wanted to become president again during William Howard tafts term and the Congress said no so he formed his own progressive party also known as the bull moose party.
The question is backward: Jefferson's Democratic-Republican Party (formerly called the Anti-Federalists) split into the National Republican Party and the Democratic Party after the contested Presidential election of 1824.
at the time there was a party called the whigs. Then later he joined the republicans
The Republican Party is also known as the Grand Old Party (GOP).
Lincoln was in the Republican Party (like the majority of the Northern States). However, the Republican Party during Lincoln's time was very different than the Republicans now.
republican,whig
The election of 1912 created a split within the Republican party with the formation of the Progressive party.
The Bull Moose party who ran TR.
Spoiler
The Republican party has never split. In 1912, Theodore Roosevelt, broke from the Republicans ,formed his own party and ran against the Republican president.
The split in the Republican Party in the 1912 Presidential Election, Teddy Roosevelt starting the Progressive Party, and the eventual election of Woodrow Wilson due to the 3 way split in 1912.
Woodrow Wilson
The Payne-Aldrich Bill. It split the Republican party in two.
Theodore Roosevelt's Bull Moose Party split the Republican.
The Democrats won the 1912 election due to a split within the Republican Party. Former President Theodore Roosevelt ran as a third-party candidate for the Progressive Party, splitting the Republican vote. This division allowed Democrat Woodrow Wilson to secure a victory and become the 28th President of the United States.
The Republican Party.
Woodrow Wilson won the Presidential election in 1912 due to Theodore Roosevelt's decision to start his own party. Roosevelt didn't get the Republican nomination so he broke off and created the Progressive Party.
Some voted to reelect William Taft; others voted for Theodore Roosevelt, who ran under a 3rd party.