opposed the extension of slavery
Massachusetts voted Abraham Lincoln of the Republican party in the 1860 elections.
The Democrats split in 1860, making it easier for the new Republican party to win.
The Republican Party of 1860 was divided between the Northern party and the Southern Party. This was do to the Republican's stand on slavery and slave owners rights.
NOT AT ALL, Since 1860, the Republican Party has been one of the two major US parties.
This comes from a 1860 political cartoon.
Abraham Lincoln was the winning Republican candidate for president in 1860.
The answer to your question depends on the time. Anytime after 1860 the Republican Party existed.
Constitutional union
Abraham Lincoln
There has been a Republican Party since 1860 and each convention has a different platform, so we need from you a where and when you are asking about.
Lincoln won the election and the Republican Party was established.
There wasn't a Republican party in 1812. The Republican party did not start until 1860.