What does infrastructure refer to? process by which a nation improves the economic, political, and social well-being of its people level of farming in which a person raises only enough food to feed his or her family services and facilities necessary for an economy to function

Infrastructure is the term for the basic physical systems of a business or nation-transportation, communication, sewage, water, and electric systems are all examples of infrastructure

Explanation:

These systems tend to be high-cost investments and are vital to a country's economic development and prosperity.