That will be the Sui Dynasty which lasted for only about 50 years and eventually succeed by the Tang. After almost 300 years since the fall of the Han Dynasty, the Sui Dynasty established peace and prosperity after centuries of political chaos and war. However, that peace eventually fall in half a century later. There are other dynasties or "states" that ruled and controled part of China after the collapse of the Han Dynasty and before the establishment of the Sui Dynasty, but they don't really ended political chaos and always try to wage war on each other.
Answer:
Because they landed outside of the Virginia jurisdiction where they had authority they established their own authority to avoid problems called the Mayflower Compact. It's existence is important because they agreed to pick people to govern over them which was used to form the U. S. Constitution later on in history.
One of Kangxi's main goals as emperor was to expand the Chinese Empire. He successfully conquered Taiwan, established a treaty with Vietnam, gained control of the Amur River region from Russia, and defeated the Mongols.
Answer: Japanese attack on Pearl Harbor
Explanation: Larger historical forces eventually brought the United States to the brink of World War II, but the direct and immediate cause that led it to officially entering the war was the Japanese attack on Pearl Harbor.
AC = AB + BC
AC = 2x + 6 + 4x - 10
AC = 6x - 4
If B is the middle point of AC
AB = AC/2 = (6x - 4)/2 = 3x - 2