Economy of Dresden flights are offered to Frankfurt, Munich, Düsseldorf, Vienna and Moscow. Furthermore, there are a lot of touristic flights especially to the Mediterranean Regions. There is a larger inner harbour in Dresden. The river Elbe waterway connects Dresden with the Hamburg Harbour and Prague. The Midland Canal offers an indirect connection to the Duisport (Duisburg harbour). Dresden is connected by some longer Bundesautobahns: The A 4 to Frankfurt and Cologne, the A 14 is running to Leipzig and Hannover, the A 13 is running to Berlin and the A 17 is running to Prague. The socialist enterprises had been inefficient already
Accession of Hamburg to the German Customs Union (Zollverein) Instead of the old international treaties, a constitution bound the states together and solidified the union. Thus the fears of the Hanseatic cities had become groundless. But now it became clear that the other grounds alone were strong enough to keep them away from the Customs Union. Following the Second Schleswig War of 1864, Schleswig and Holstein became a Prusso-Austrian condominium, with Prussia occupying the former and Austria the latter, but on 8 June 1866, Prussian general Von Manteuffel crossed the river Eider into Holstein, which bordered Hamburg on the north. Having warned Austria he was exercising Prussia's condominate right