Kim Il-sung was the founder and first leader of North Korea, serving from 1948 until his death in 1994.

The Juche Ideology is the official state ideology of North Korea, emphasizing self-reliance and national independence.

The three main principles of the Juche Ideology are self-reliance, national independence, and socialism.

Self-reliance in the Juche Ideology means relying on one's own resources and capabilities, rather than seeking assistance from other countries or adopting foreign ideologies and models.

National independence in the Juche Ideology means maintaining sovereignty and territorial integrity, rather than joining international organizations and alliances, adopting foreign policies dictated by other countries, or promoting cultural assimilation.

Socialism in the Juche Ideology refers to a classless, stateless society, rather than a capitalist society with a strong welfare state, a society based on private property and free market, or a society ruled by a totalitarian dictatorship.

Kim Il-sung applied the Juche Ideology to North Korea's foreign policy by pursuing a policy of isolation and self-reliance, rather than actively engaging in international relations and diplomacy, joining international organizations and alliances, or adopting foreign policies dictated by other countries.

Kim Il-sung applied the Juche Ideology to North Korea's economic policy by promoting self-sufficiency and economic independence, rather than adopting a market economy and foreign investment, joining international economic organizations and agreements, or seeking economic assistance from other countries.

The Juche Ideology had a significant impact on North Korea's culture and society, promoting national pride and self-confidence, rather than suppressing individual freedoms and creativity, encouraging cultural diversity and openness, or promoting international cultural exchange.

The Juche Ideology had a significant impact on North Korea's military and defense policy, leading to the development of a strong military and defense industry, rather than adopting a policy of disarmament and peace, joining international arms control agreements, or seeking military assistance from other countries.

The Juche Ideology contributed to the rise of the Kim family dynasty in North Korea by establishing a personality cult around Kim Il-sung, rather than promoting democratic elections and power-sharing, encouraging public participation in decision-making, or fostering a culture of transparency and accountability.

The Juche Ideology has been criticized for being too nationalistic and isolationist, too rigid and dogmatic, and incompatible with modern economic and social development.

The Juche Ideology continues to be the guiding ideology of North Korea today, despite criticisms and challenges.

The Juche Ideology faces a number of challenges in the 21st century, including globalization and interdependence, the rise of information and communication technologies, and changing demographics and social values.

The future of the Juche Ideology in North Korea is difficult to predict, as it depends on a number of factors, including the country's political and economic development, as well as changes in the international environment.