... supply. Another dispute involves the delineation of marshy areas of Sir Creek in the delta of the Indus River to the south. Although Sir Creek and the waters of the Indus River do not elicit similar emotional responses from the masses, these issues also add to tensions and can be used as leverage during periods of escalation. Religious and ideological contradictions. Historical grievances related to the religious partition of India continue to poison the relationship between New Delhi and Islamabad. ...