cause(noun) events that provide the generative force that is the origin of something. Synonyms: causal agency, reason, lawsuit, movement, suit, crusade, drive, effort, causa, causal agent, grounds, campaign, case. cause, reason, grounds(noun) a justification for something existing or happening.
The Delaware Water Gap from the Appalachian Trail (I-80 on the left) The Delaware Water Gap is a water gap on the border of the U.S. states of New Jersey and Pennsylvania where the Delaware River cuts through a large ridge of the Appalachian Mountains.
  The Potomac River, which flows through West Virginia, Maryland, Virginia, and Washington, DC   The Delaware River constitutes in part the boundary between Pennsylvani â¦ a and New York, the entire boundary between New Jersey and Pennsylvania, and most of the boundary between Delaware and New Jersey. Jeff Acklin.onfidence votes 575. The Potomac River is located in 4 states. The river forms part of the borders between Washington, D.C. and Virginia on the left descending bank and Maryland and Virginia on the river's right descending bank.