agriculture americanhistory business centralamerica civilwarperiod(1850-1877) collegesuccess economics english europeanhistory food foodindustry general history industries journalism latinamericanhistory literarycriticism lsufcc000 lsuhis000 lsuhiscwr lsuhiseur lsumda000 lsupol000 lsutru000 masscommunication portugal portuguese socialsciences southamerica spain spanish