If Zuo Zongtang had not recovered, what kind of changes would have happened in China? How important is Xinjiang’s strategic location?

If Zuo Zongtang had not recovered, a corner of China's territory might be missing, and China's comprehensive strength would also decline, and China's development would not be as fast as it is now. Xinjiang is our country's territory. It is a very important part of my country. If Zuo Zongtang had not recovered it, we might have been harmed by the enemy's strategy