In the 1960s, a wave of strikes and protest marches by Mexican-American farm workers inspired Latinos across the US.
The movement was led by Cesar Chavez - a man now regarded by his community as a civil rights hero.
Dolores Huerta, who coined the slogan “yes we can!”, worked closely with Chavez. She spoke to Simon Watts in this programme first broadcast in 2012.
(Photo: Cesar Chavez pointing in front of a crowd at a protest. Credit: Getty Images)
