Ukadaulo wa DP umagwiritsa ntchito polarity yabwino kuti ugwire, uletse, ndikuchotsa mavairasi, mabakiteriya, nkhungu, bowa, ndi mungu. Ndi chinthu chochokera ku zomera chomwe chavomerezedwa kuti ndi chotetezeka ndi bungwe la zaumoyo padziko lonse lapansi komanso bungwe la chakudya ndi ulimi la United Nations.