1950-1951 20thcentury agricultural andalliedworkersofamerica california canneryworkers casestudies communism empirezinccompanystrike hanover history historyunitedcannery labormovement laborunions mexicanamericanneighborhoods mexicanamericanwomen mexicanamericanwomenlaborunionmembers newmexico packing radicalism socialism southwesternstates strikesandlockouts unitedstates womencanneryworkers womenlaborunionmembers womenradicals workingclass zincmining