Bleeding Kansas refers to the border war between Pro-Slavery and Anti-Slavery citizens. It took place on the Kansas/Missouri border.
These guys basically plucked from a handful of "sinful wrongdoers" that they believed were to be punished by their own god, and yet took things into their hands. They'd accuse any woman as of being a witch. A servant girl, a sick old lady married to her servant, a homeless begger. And so forth. They played the game telephone and spread lies about anyone and everyone resulting in innocents dying.
They were executed by the electric chair.
The Rosenbergs were executed for conspiracy to commit espionage on June 19, 1953. The other spies who were caught did go to federal prison, but Julius and Ethel Rosenberg were both executed by electric chair.
B.
The Twenty-third Amendment (Amendment XXIII) to the United States Constitution extends the right to vote in the presidential election to citizens residing in the District of Columbia by granting the District electors in the Electoral College, as if it were a state.