Which of the following canals is used as an inland waterway in Southern Germany?

The correct answer is C) Ludwigs Canal. Built between 1836 and 1846 under King Ludwig I of Bavaria, it linked the Main and Danube rivers near Bamberg, giving Southern Germany a water route to the Black Sea basin. It was the first major canal crossing the European watershed, and it was the forerunner of the modern Main-Danube Canal, which opened in 1992 and now carries the traffic.

• A) Volga-Don Canal: Wrong. It lies in Russia, linking the Volga with the Don to connect the Caspian and Sea of Azov systems.
• B) Sault Ste. Marie Canal: Wrong. This is the locks system at the St. Marys River between Lake Superior and Lake Huron, on the US-Canada border. It has nothing to do with Germany.
• D) White Sea Canal: Wrong. Also called Belomorkanal, it is in northwest Russia, linking the White Sea with the Baltic through Lake Onega.

The core concept is canal geography and inland waterways, which links to the Mains question on how Europe's rivers and canals support freight and regional integration. Trap: Aspirants often pick the Volga-Don Canal because it is the most famous canal in the list. Check the country first, then the link.