multiple causes

• multifactorialHaving many causes
• complexHaving many interconnected parts
• interplayReciprocal action between things
• contributingGiving to a cause
• convergenceProcess of approaching sameness

confluence · compounding · triggers · variables · factors · roots · sources · origins · tangled · web · interconnected · ripple · cascade · domino · synergy · cumulative · layered · overlap

• legal causationcausal chain, direct cause, sine qua non, indirect cause, causal link