It is the "National Labor Relations Board" that acts as a mediator in disputes between unions and employers, since many people on both sides of the dispute often claim that the other side is acting unjustly, especially when it comes to negotiations.
Answer: A. Jean-Jacques Rousseau :)
THE ANSWER IS C mostly and if thats incorrect its probably the last one btw i like your username itss cool:)
C. the assassination of the Archduke.