How did the Sui Dynasty contribute to China's infrastructure?

Question

Quizplus · Accepted Answer

The Sui Dynasty is known for its construction of the Grand Canal, a massive project that connected the Yellow and Yangzi Rivers and allowed for easier transportation and communication throughout China. Option A and D are incorrect as the Sui Dynasty's capital was in Chang'an, not Beijing, and the first roads in China were built during the Qin Dynasty. Option B is partially correct, as walls were indeed built during the Sui Dynasty, but this was not their major contribution to infrastructure.

How Did the Sui Dynasty Contribute to China's Infrastructure