<P> National support for the UFW continued to grow in 1968, and hundreds of UFW members and supporters were arrested . Picketing continued throughout the country, including in Massachusetts, New Jersey, Ohio, Oklahoma, and Florida . The mayors of New York, Baltimore, Philadelphia, Buffalo, Detroit, and other cities pledged their support, and many of them altered their cities' grape purchases to support the boycott . </P> <P> In 1969, support for farm workers increased throughout North America . The grape boycott spread into the South as civil rights groups pressured grocery stores in Atlanta, Miami, New Orleans, Nashville, and Louisville to remove non-union grapes . Student groups in New York protested the Department of Defense and accused them of deliberately purchasing boycotted grapes . On May 10, UFW supporters picketed Safeway stores throughout the U.S. and Canada in celebration of International Grape Boycott Day . Cesar Chavez also went on a speaking tour along the East Coast to ask for support from labor groups, religious groups, and universities . </P> <P> Mapping UFW Strikes, Boycotts, and Farm Worker Actions 1965 - 1975 shows over 1,000 farm worker strikes, boycotts, and other actions . </P>

The united farm workers' grape boycott that began in 1966