This is a bit tricky, but in general, it is climate change that is the source of the greatest disagreement among American politicians, because some people still think it doesn't exist.
It was on October 8, 1998.
William Henry Harrison was a whig, and ran for numerous political positions throughout his career. The loyalists were some of his worst political foes.
To even out the power the of the lower class to that of the upper class.
I hope this helps!