Freedom of expression is important for democracy, because it enables the public to participate in making decisions based on the free flow of information and ideas. Without it, people would be unable to make informed decisions.
Slavery was THE great debate of the 1850's as was the question of continuing a union that threatened the lives and property of the South. It caused Lincoln's election in 1860 and fueled the movement to secession and war. Slavery was the dividing point over which there was a limit to the compromises that could be effected. It clearly drove the decade as it had shaped the whole century.
Not all forms of government have limited government.
Types likes Dictatorships, Oligarchy, Traditional Monarchies, and Theocracies often don’t.
Constitutional Monarchies, Republics, and Democracies often do