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.
Because he led the union armies to victory over the confederacy in the american civil war
Congress had passed the Civil Rights Act (1964) and the Voting Rights Act (1965) Southern states could no longer deprive African Americans of their equal rights