The East China Sea .
Well obviously,its a civil war, so it was between china and china, so china. To answer your question
summer palace at shangdu, border between mongolia and china
China is a communist country. The cold war was between the western countries and the communist countries. China supported the communist countries.
Japan.
To obtain Natural Resources that would strengthen the Japanese military
The Himalayan mountain range forms a natural barrier between China and Mongolia.
The Yalu River creates a natural border between North Korea and China.
The Himalays served as a natural barrier by separating China from India, so it does not face the monsoons India does. Instead it creates desserts, like the Gobi dessert, because of the traveling air.
It is the Himalayan Mountain Range that forms a natural barrier between China and India.
himilayan mountains
The Great Wall of China was built around 220-206 BC under Emperor Qin Shi Huang to protect the Northern boundaries of China.
The Himalayas form a natural border between India and China. Spanning five countries, including India and China, the Himalayas are the highest mountain range in the world. They serve as a physical barrier that separates the two countries.
The mountain range that forms a rugged natural boundary between Russia and China is the Altai Mountains. This range extends across the borders of Kazakhstan, Russia, China, and Mongolia, characterized by its dramatic peaks and diverse ecosystems. The Altai Mountains play a significant role in the geography and climate of the region, serving as a natural barrier between the two countries.
India is separated from China by the Himalaya mountains. This natural barrier spans across the northern borders of India and serves as a geographical divide between the two countries.
Lake Qinghai
An example of a mountain boundary is the border between Nepal and China, which is marked by the Himalayas. The towering peaks and rugged terrain of the mountains serve as a natural barrier between the two countries.
Lake Qinghai