Mark each statement if it correctly describes facts about china during the sui dynasty.
a. the great wall of china was built to provide protection.
b. the sui dynasty reunited china in the sixth and seventh centuries by combining existing laws into
a single legal code.
c. the grand canal was constructed to unite northern and southern china.
d. the sui united northern and southern china, but the new empire was too big to govern
effectively.
e. one reason that chinese peasants were ready to rebel is that the emperor had used them as
forced labor to achieve his goals.