 Wadanka Mareykanka wuxuu ka kooban yahay shacuub kala duwan oo ka soo kala jeeda dadka ku noola wadamada adduunka oo dhan, haddana sidaas oo ay tahay ayaa laga shaqeeya dadkaas xiriirkooda in la isku dumo oo la isku tolo qowmiyadahaas kala duwan si ay u noqdaan shacab cid walba isaga dhow. 