Answer:
A. commanded Chinese workers to build and repair roads
B. allowed traders, pilgrims, teachers, and artists to travel to China on the Silk Road
D. lengthened the Grand Canal, extending it to Beijing
Explanation:
Kalahira says: B. Allowed traders, pilgrims, teacher, and artists to travel to China on the Silk Road, and E. continued the tradition of giving civil service exams to people who wanted to work in the government, so I submitted, only B. was correct one she got, Correct answers in answer section.
