How did ancient china end?

3 reasons: 1. They lost a war with Britan 2. They lost a war with Japan 3. The got destroyed by natural disaster. 3 reasons: 1. They lost a war with Britan 2. They lost a war with Japan 3. The got destroyed by natural disaster. 3 reasons: 1. They lost a war with Britan 2. They lost a war with Japan 3. The got destroyed by natural disaster.