Cesar chavez fought for the unionization of labor in california farms and formed the to bring workers together.

Grape farms ... National Farm Workers Association

Cesar Chavez was a powerful force in the organization of farm workers in the 1960s.  The strike against the grape growers in California was a cooperative effort by the National Farm Workers Association, led by Chavez, along with the Agricultural Workers Organizing Committee.  Those two organizations merged in 1966 to form the United Farm Workers labor union.

South carolina was so angry about the election of lincoln that they seceded from the union on december 20, 1860. they attacked fort sumter later, on april 12, 1861.