Well if we are talking about voting rights and equality, that would be Martin Luther King. He set equality for black people while Abraham Lincoln had just freed them decades earlier.
:Article III, Section II of the Constitution establishes the jurisdiction (legal ability to hear a case) of the Supreme Court. The Court has original jurisdiction (a case is tried before the Court) over certain cases, e.g., suits between two or more states and/or cases involving ambassadors and other public ministers.
Which country are we talking about ?do you mean in general ?
"The people" were originally White, Property-owning Males over 21. They were the only ones that could originally vote. The property owning portion will almost completely be gone by 1828 (this is what helped Andrew Jackson get elected). Non white men will begin being able to vote with the passing of the 15th Amendment after the Civil War. Women will earn suffrage (right to vote) in 1920 with the 19th Amendment. Lastly, we'll lower the voting age to 18 in 1971 with the 26th Amendment, due to the Vietnam War.
Hitler took control of the western forts so they couldnt defend themselves