How did Pennsylvania Democrat David Wilmot heightened tensions between the North and the South? *

He proposed an amendment stating that slavery may exist in any territory the United
States might acquire as a result of the war with Mexico.
He proposed an amendment stating that neither slavery nor involuntary servitude
shall ever exist in any territory the United States'might acquire as a result of the war
with Mexico.
He proposed an amendment that stating slavery may exist in California only and not
other territories acquired through war with Mexico.
He proposed an amendment to ban slavery altogether in the United States.