Answer:
The safety of the North-East region was threatened by the escalating Korean crisis and the presence of Russia was a potential threat.
Step-by-step explanation:
- Initially, Mao Zedong did not want to meddle in the affairs of Korean reunification. There were major domestic problems in the country and the People's Republic of China was at its initial stage.
- However, he had to rethink China's policy China's policy regarding North Korea. He had to support Kim II-sung as the safety of the North-East region was threatened by the escalating Korean crisis and the presence of Russia was a potential threat to China.