Step 1: Understand the reasons for industrialization.
In the USA, the North-Eastern region is an industrial hub due to the abundance of raw materials and resources.
Step 2: Analyze each option.
- Option (A): Dense population may attract industries, but availability of resources is a stronger factor.
- Option (B): Capital is necessary, but without resources, industries wouldn't be able to thrive.
- Option (C): Availability of coal and iron-ore is a key factor for industrial growth in this region.
- Option (D): Transport routes are important but secondary to the presence of raw materials.
Final Answer:
The correct answer is (C) availability of rich deposits of coal and iron-ore.