WINTER AND SUMMER, THE MOST FRUSTRATING WORK IMAGINABLE WAS TO MAN THE DELANO PICKET LINES AND CONVINCE THOUSANDS OF STRIKEBREAKERS WHO HAD BEEN IMPORTED BY THE GROWERS AND THEIR LABOR CONTRACTORS, TO LEAVE THE FIELDS AND JOIN THE STRIKE. MORE DIFFICULT STILL BECAUSE CESAR CHAVEZ AND HIS MOVEMENT WERE PLEDGED TO NONVIOLENCE.