Question

The main idea of globalization is that
the economy of the United States dominates the rest of the world.
the economies of other countries dominate the United States.
the economies of the nations of the world are independent.
the economies of the nations of the world are closely linked.

Answer 1

the economies of the nations of the world are closely linked.

Globalization describes increasing economic, cultural, and political integration and interdependence among countries — not dominance by one country or total independence.