Geo- Strategic importance of Pakistan? For CSS/PMS

The Geo-strategic importance of Pakistan can be judged from these two facts that USA couldn't fight with the Soviets 1979-89 without the assistance of Pakistan and now extricate from Afghanistan without the help of Pakistan. Number two The most important corridor of BRI is CPEC which is considered as Buckle in the belt.
At one point in the video it was wrongly stated Kashgar as capital of Xinjiang where as it is Urumqi. Kindly correct it. thanks.
Mushtaq Ahmad Mahindro a CSS qualified person who has served under Federal Government Pakistan in various capacities. He holds Master degree in Political Science, Islamic studies after doing BSc.Hons. He has participated in many seminars/Conferences conducted on human, political, and organizational behavior both at national and international level. During the pursuit of his academic buildup, he has visited USA, Japan, Thailand, and Dubai. He has also served as Chief trainer in Kabul under a World Bank sponsored capacity building program. He is the author of CSS Current Affairs and Essays, The world in the next 50 years, and Log On to Success (Managing self and others). Above all, he is part of world team who believes in inspiring people and providing them tools of change and growth throughout the world.