The Free Soil candidates won 10% of the popular vote in 1848 but no electoral votes, in part because the nomination of Van Buren discouraged many anti-slavery Whigs from supporting them. ... The Compromise of 1850 temporarily neutralized the issue of slavery and undercut the party's no-compromise position.
The main way in which the sentiments of the Declaration of Independence were similar to those in the Articles of Confederation is that both documents wanted to make it impossible for a country or government to be tyrannical--this is why the Articles were so "weak"
The 13th amendment not having slavery
The 15th amendment is Black citizens being able to vote with citizen ship.
The north and the south differed in a couple of ways in the mid 1800's, economically and socially which contributed to a rise of regional populations with contrasting values, ideologies and visions for the future. The differences includes; vast industry and immigration in the north, established agriculture in the south and slave trade carried out in the south.
I think it is empowered because someone else is feeding off the idea of the government having more power.