These are the dominant capitalist countries with strong economies, advanced industries, and significant political and cultural influence. They exploit peripheral countries for resources and cheap labor.

These countries are often referred to as "core" countries in the world-systems theory. This theory, developed by sociologist Immanuel Wallerstein, divides the world into core, semi-periphery, and periphery countries.

Core countries, such as the United States, Germany, and Japan, are characterized by highly developed economies and advanced technological infrastructures. They often exploit peripheral countries for resources and cheap labor. This exploitation can occur through various means, such as unfair trade agreements, colonization, and debt.

Semi-periphery countries, like Brazil, Russia, India, China, and South Africa (BRICS), are in-between states that are exploited by the core but also exploit the periphery.

Peripheral countries, such as many in Africa and Latin America, have less developed economies and are often dependent on core countries for capital. They provide the core with cheap labor and raw materials but often see little of the profits from their resources.

This is a simplified explanation and the world-systems theory is more complex, with countries moving between categories over time due to economic and political changes.