Many maintain that the primary cause of the war was the Southern states' desire to preserve the institution of slavery. Others minimize slavery and point to other factors, such as taxation or the principle of States' Rights. ... All four states strongly defend slavery while making varying claims related to states' rights.
because it is saying that even if u are going through your troubles they are what keep u going, encouraging and believing in u specifically. where as D is more saying others have so u should to.
