How was Mao responsible for the korean war?Watch
Apparently he was to a large extent but i dont see how??
Under Chairman Mao's leadership, China did send troops into Korea in October 1950 called the Chinese People’s Volunteer Army (CPV). So Mao was a big factor in the overall context.
However, United States involvement happened before that so i think you would be hard pushed to suggest Chairman Mao would be solely responsible.