What does the phrase "The Land of Bosses and Clocks." mean?

Which piece of legislation signed by lyndon johnson brought an end to barriers preventing minorities from participating in elections?

“well,” he says, “there’s excuse for picks and letting-on, in a case like this; if it warn’t so, i wouldn’t approve of it, nor i wouldn’t stand by and see the rules broke—because right is right, and wrong is wrong, and a body ain’t got no business doing wrong when he ain’t ignorant and knows better. it might answer for you to dig jim out with a pick, without any letting-on, because you don’t know no better; but it wouldn’t for me, because i do know better.” the meaning in this excerpt is

Oraccording to document 5,do you think napoleon is a democratic reformer imperial dictator? explain.