On International Grape Boycott Day - May 10, 1969 – LULAC members picketed supermarkets in the Quad Cities. Henry Vargas, with his daughter Rita at his side, carried a sign that read, “Justice and Dignity for the Farm Worker.”
In "!Boicoteo!: Rayo de Esperanza para el Campesino," Ernest Rodriguez connects the farm worker movement for justice led by Cesar Chavez with the struggle to improve the rights of migrant workers employed in Iowa agribusiness.