But unlike his two predecessors , Juan Carlos Ongania and Marcelo Levingston , who ruled Argentina with an iron hand , Lanusse steered the country toward democracy .
<response> But unlike his two predecessors , <person>Juan Carlos</person> Ongania and <person>Marcelo Levingston</person> , who ruled <location>Argentina</location> with an iron hand , <person>Lanusse</person> steered the country toward democracy . </response>