20thcentury argentina blind brazil california childdevelopment chile costandstandardofliving discriminationinemployment drama employees employment employment(economictheory) families foodserviceemployees fullemploymentpolicies governmentpolicy greatbritain history hoursoflabor industrialmanagement labormarket lawandlegislation livingwagemovement longitudinalstudies milwaukee moralandethicalaspects personnelmanagement poverty prisonindustries qualityofworklife restaurantmanagement restaurants sexdiscriminationinemployment socialaspects southamerica taxation unitedstates unskilledlabor uruguay wages wisconsin women workingclass workingpoor