I was writing a memo just now, I wrote an unique and I just stopped and looked at it and realized it was wrong. My whole world had been turned upside down. Then I found this explanation and all is right with the world.
Liberty Party (1840) wanted to abolish slavery; Free Soil Party (1848) wanted to keep slavery from expanding into Western territories; American Party (Know-Nothings in 1854 & 1856) wanted to reduce immigration (nativism); Constitutional Union Party (1860) wanted a compromise between the North & South.
National Republican Party. National Republican Party, U.S. political party formed after what had been the Republican (or Jeffersonian Republican) party split in 1825. The Jeffersonian Republicans had been the only national political party following the demise of the Federalists during the War of 1812.