Question

which industry is often referred to as the backbone of economic development and why​

Answer 1

Answer:

Iron and steel industry

Explanation:

bcz almost everything we use either made up of iron or steel or has been made with tools and machinery of these metals.

Answer 2

Answer:

Steel is called the backbone of the modern industry because almost everything we use is either made of steel or has been made with machinery or tool made out of steel. The steel industry is basically the feeder industry, whose products are the raw materials for other industries.