Karl Max helped make the Marxist beliefs, the leader (i don't remember his name) but he made Carl Max a famous figure.
The Dred Scott decision was the Supreme Court's ruling on March 6, 1857, that having lived in a free state and territory did not entitle a slave, Dred Scott, to his freedom. In essence, the decision argued that as a slave Scott was not a citizen and could not sue in a federal court.
The last one because then the people of the nation feel incorporated into the nation, but don't have full control, and so they feel they are a part of something bigger than themselves which ensures their loyalty
