The correct answer to this open question is the following.
The methods that Chavez employed in his fight for labor rights were pacifists and non-violent methods like the ones used by Mahatma Gandhi and later by Dr. Martin Luther King Jr.
Cesar Chavez (1927-1993) was a Mexican-American labor right supporter that was born in Arizona. He was concerned with the harsh conditions that lived the farmers and supported marches, protests, and pacific demonstrations, even hunger strikes. He formed the United Farm Workers.