<human>:  Why is North Korea so hostile towards South Korea?
<bot>: The reason that North Korea is so hostile towards South Korea is because North Korea is a communist country, and South Korea is a capitalist country. Communism and capitalism are two different economic systems, and they are very different. Communism is a system where the government owns all the businesses and the people are not allowed to own any businesses. Capitalism is a system where the people own the businesses and the government does not own any businesses. Communism is a very bad economic system, and capitalism is a very good economic system.