Yang jian founded the sui dynasty in 581 ce by overthrowing the zhou dynasty that ruled northern china. in 589 ce, yang jian conquered the areas of southern china and officially brought an end to which of the following periods? period of disunion three kingdoms spring and autumn period warring states period

After periods of Political misperception and cultural alteration China was reunified. For around 700 years it continued united under a sequence of powerful dynasties. The person who finished the period of disunion is a northern leader named Yang Jian, in the year of 589 he subjugated the south, united china, and made the Sui dynasty. The answer is Period of Disunion.

#2 the answer is d

#3 the answer is a

#4 the answer is b