In 1882, Maine Central leased the European and North American Railway (E&NA) between Bangor and Vanceboro. In 1889, the Canadian Pacific Railway purchased trackage rights from the Maine Central on the portion of the former E&NA from Mattawamkeag to Vanceboro. This Maine Central trackage formed part of the CPR's Montreal-Saint John mainline, upon completion of the International Railway of Maine. This line was an important rail route for Canadian war material heading to the port of Saint John for shipment overseas to Europe. In the months before the United States entered World War I, a German Army lieutenant attempted to blow up the railway bridge which crossed the St. Croix River at the international boundary. The lieutenant was arrested by Washington County sheriff Still Woodman, who later became chairman of Maine's Highway Department.