@article{ Solr-acta56703, title = {The migration factor in the sectional crisis the impact of population movements in pre-Civil War America}, series = {Americana : E-Journal of American Studies in Hungary}, author = {Szabó Éva Eszter}, year = {2015}, url = {http://acta.bibl.u-szeged.hu/56703/2/americana_011_002_013/szabo-eva-eszter.html} }