Nelson also carried out what was in effect a coup d'etat at Rockefeller Center, forcing out the retainers loyal to his father so that he could take over himself.
Nelson gave anyone that he deemed loyal to his father a raise. 
mnli hypothesis: Nelson gave anyone that he deemed loyal to his father a raise.  premise: Nelson also carried out what was in effect a coup d'etat at Rockefeller Center, forcing out the retainers loyal to his father so that he could take over himself.