The correct answer is Chang’an is a flourishing cultural and commercial center.
Chang’an can be best described as a flourishing cultural and commercial center. It was the capital of the Sui Dynasty and the largest city of the world at the time.
Chang’an, near the Xiang province in China, was the capital city during the Sui, Zhou, and Tang dynasties. The city was a large, flourishing and metropolitan area, full of activities and trade. The place was so important for commerce activities that it was known as the “eastern terminal” of the famous silk road.