From Cassie's description of the Delano Grape Strike, the main concern of the strike was to demand better wages and the right to a union.
Explanation:
The Delano Grape Strike was a labor strike institutionalized by AWOC (Agricultural Workers Organizing Committee). AWOC organized this strike against the exploitation of farm workers by table grape growers. The organization began on September 7, 1965 and lasted till July 1970.
According to Cassie, the Delano Grape Strike was organized to demand better wages. Their main purpose was to demand right to unionize.