198 FOREIGN TRADE ZONES The development of Kiel after its union with the German Empire is closely connected with the growth of the German Navy, and for the last few decades before the World War ordinary commerce and trade was of insignificant importance compared to the activities directly connected with Kiel’s naval development. The entire commercial and industrial activity of the city was confined to the navy and the town’s own requirements. During the war Kiel played a most important part as the chief German naval base, and it was a center of naval construction for smaller craft, such as submarines, torpedo boats, and other light vessels. The mutiny of the marines at Kiel on November 4, 1918, was the initial impulse toward the general revolution and armistice. Since the conclusion of hostilities Kiel’s extensive fortifications have been razed and, of course, it no longer enjoys its previous prestige. The limitation of the German Navy and the reduction of its per- sonnel was naturally a severe blow to Kiel, and since the war the city has turned to more pacific activities as a means of livelihood. The shipyards have been devoting their efforts to the construction of tankers and yachts, the industrial plants, which were formerly devoted to naval purposes, are now turning out Diesel motors, motor railway cars, gyrocompasses, automatic steering apparatus, sounding appa- ratus worked by echoes, underwater signaling apparatus, and other technical products. * * * The creation of Kiel’s free harbor was also the result of its efforts to supplant the opportunities lost through the diminished naval estab- lishment. New municipal harbors were erected partly by making use of former naval plants, and it was in this way that the free harbor originated. The location of Kiel is such that, by the Kiel Canal, it is the most castern North Sea port and at the same time the most western Baltic Sea port, and hence no other German port, so Kiel claims, is so favorably situated for carrying on a transshipment trade from trans. Atlantic vessels to Baltic and vice versa. x oe uk Location.—The free port at Kiel is located just south of the entrance of the Kiel Canal into Kiel Bay. Itisknown as Wik Harbor * * *. [t consists of two harbors separated by a wide pier. Another free harbor at Kiel, to be known as the Vossbrook Harbor, is partly under construction * * * When completed it will be larger than the present Wik free port * * * Dimensions and area of free zone.—The free harbor district has an area of 6.3 hectares (15.6 acres) which is just as large as its water basin,