Ruhr region is the most important industrial region of _______

Correct option is B

The correct answer is (b) Germany.
· The Ruhr region is one of the most significant industrial areas in Germany.
· It is located in the North Rhine-Westphalia state and is known for its extensive coal deposits.
· The region played a crucial role in Germany's industrialization during the 19th and 20th centuries.
· Major industries in the Ruhr region include steel production, coal mining, and heavy manufacturing.
· Cities such as Dortmund, Essen, and Duisburg are key industrial centers in the Ruhr area.
· The region has undergone significant economic transformation, focusing now on high-tech industries and services.