We can cross out president, because the president is obviously elected by the people.
I do know that senators are also elected.
So, that leaves Supreme Court Justices.
Supreme Court Justices are appointed to the office in this manner:
The president chooses someone to become a Justice, and then the Senate approves, so they then can take the office of Justice. If the Senate doesn't approve, then however, they can not take the spot.
This act helped recently freed African Americans get on their feet after a lifetime of slavery by providing them with a portion of land to cultivate as their own.