Battlefield sites under attack from development Study lists Princeton, Monmouth, Trenton among most endangered in U.S. Friday, May 14, 2004 The Revolutionary War battlefields at Princeton, Monmouth and Trenton are among the most endangered by sprawl and development in the nation, according to a new study by the U.S. National Park Service.The forthcoming review, "The Revolutionary War and War of 1812 Historic Preservation Study," examines 825 nationally significant battlefields and sites associated with the two wars.The New Jersey sites are among the nation's 28 most significant sites in danger, said Rep. Rush Holt (D-12th Dist.)."The study looks at the historical...