According to the Warren Commission, the group responsible for investigating the assassination, he acted alone.
However, conspiracy theories still abound and a sizeable percent of the population does not believe he acted alone. Most of the Warren report has been released and in 2017 missing information that was withheld for national security reasons is to be released.
Common Romans were better off in the Empire becuse they had more rights then they did in the rebublic.
Against all odds the union won. They were outnumbered by confederate soldiers but that did not stop them.
they represent the states fairly. The house represents by population, since the big states think they should at least get an advantage of being big. The senate represents small states, where every state gets the same amount of votes instead of different amounts like in the house. they both are a compromise for the states