According to the world systems theory, countries are economically advanced, technologically sophisticated, and well educated, while countries have low incomes and low levels of industrialization.

Core countries are economically advanced, while peripheral countries have low incomes

Explanation:

The world-systems theory aims to analyze the world in a global perspective. It argues that the globe is immersed in a capitalist economic system in which all countries share the principle of the division of labor.

Howerver, there many differences among nation-states. Some states have more advanced technology, a higher-skilled labor force, and more capital. These countries are called core countries, for example: the United States, Germany, Japan.

Other countries are tecnologically primitive, do not have a lot of capital accumulation, and focus on labor-intensive jobs such as agriculture, and in the extraction of raw materials or commodities. These are the peripheral countries. Examples of these countries are: Nigeria, India, Ethiopia, Bolivia and Guatemala.

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