Author Elise broach writes on American Indian land in montano after a 120 year absence these Buffalo are coming home why does she use the phrase coming home

How can behavioral science be applied in improving public health? a.by tracking a disease to determine its sourceb.by creating promotions that improve health habitscboth by tracking a disease to determine its source and by creating promotions that improve health habitsd.neither by tracking a disease to determine its source or by creating promotions that improve health habits