It's a matter of whether you see the self as fundamentally in relationship to other selves or not - whether you see the boundary between self and the world as relatively permeable, which makes you "interdependent" (collectivist) in outlook, or relatively impermeable, which makes you "independent" (individualistic).
Attend with Diligence and strict Integrity to the Interest of your Correspondents and enter into no Engagements which you have not the almost certain Means of performing.