If you visit the Senate chamber during a session on an average day, you're most likely to find the session presided over by "A. the majority leader" since the Vice President only comes in on special occasions.
It affected the society because Martin Luther King was a very good leader who wasn't afraid of advocating for human rights, especially Black people human rights. When he got killed, that affected the society because people feared that if they advocated for people rights, they would get shot and killed just as MLK did.
Have a nice day! :)
