Keil Canal links the

The Kiel Canal, also known as the Nord-Ostsee-Kanal, is a 98-kilometer-long artificial waterway located in Germany that connects the North Sea to the Baltic Sea [t3]. It was constructed between 1887 and 1895 to provide a strategic shortcut for naval and commercial vessels, allowing them to bypass the hazardous and lengthy route around the Jutland Peninsula [t3][t5]. Regarding the other options, the Panama Canal links the Pacific and Atlantic Oceans [t2][t3], while the Suez Canal connects the Mediterranean Sea and the Red Sea [c3][t1]. The Bosporus and Dardanelles straits are the primary links between the Mediterranean and the Black Sea [t1]. The Kiel Canal remains one of the world's busiest artificial waterways, significantly facilitating maritime trade within Northern Europe by linking the Atlantic-facing North Sea with the Baltic region [t3][t5].

Sources

1. [1] History , class XII (Tamilnadu state board 2024 ed.) > Chapter 15: The World after World War II > Suez Canal > p. 254