Concept:Transport supports economic development by linking places, people, and markets, but national disintegration is not one of its benefits.
Explanation:Transport enables the movement of goods and services from areas of production to areas of consumption.
It helps open up new lands and areas, making them accessible for agriculture, mining, and settlement.
It also provides employment opportunities in driving, loading, and related transport services.
National disintegration means the breaking apart of a nation, which is the opposite of development.
In fact, transport promotes national integration by connecting different regions of a country.
Answer:A. national disintegration