How did the new Republican Party form?
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The Republican Party emerged in 1854 to combat the Kansas–Nebraska Act and the expansion of slavery into American territories. The early Republican Party consisted of northern Protestants, factory workers, professionals, businessmen, prosperous farmers, and after 1866, former black slaves.
What new political party formed as a result of the fight over slavery in the mid 1800s?
The new political party formed as a result of the fight over slavery in the mid-1800’s is Republican party.
Why do New political parties form?

Political factions or parties began to form during the struggle over ratification of the federal Constitution of 1787. Friction between them increased as attention shifted from the creation of a new federal government to the question of how powerful that federal government would be.
When was the Democratic Republican Party formed?
1792Democratic-Republican Party / Founded
What new political party was formed in the 1800s?
Hamilton built a national network of supporters that emerged about 1792–93 as the Federalist Party. In response, Jefferson and James Madison built a network of supporters of the republic in Congress and in the states that emerged in 1792–93 as the Democratic-Republican Party.

How are Hamilton and Jefferson different?
Hamilton was outgoing and outspoken; he dominated every room. Jefferson, amiable and erudite, was quiet and reserved. Deep philosophical differences, though, soon set them against each other. In Jefferson’s view, centralized government was simply European-style tyranny waiting to happen again.
What two new parties were formed from the Democratic-Republicans when they broke up over the election of 1824?
The Democratic-Republicans later splintered during the 1824 presidential election. The majority faction of the Democratic-Republicans eventually coalesced into the modern Democratic Party, while the minority faction ultimately formed the core of what became the Whig Party.