Briefly tell the story of Liu Bang and Xiang Yu.

Xiang Yu and Liu Bang were partners in overthrowing the State of Qin. Later, Xiang Yu dominated, and Liu Bang was ambitious and unwilling to surrender to Xiang Yu, so he worked hard on his fief. When the time was right, the Chu-Han War broke out.

Xiang Yu gradually declined from the beginning, but Liu Bang did the opposite. Liu bang defeated Xiang Yu who was good at fighting through various means and twists and turns. Finally, Xiang Yu was forced to commit suicide in Wujiang River, and Liu Bang proclaimed himself emperor.

Extended data:

Liu Bang's anecdote allusion: expensive;

Liu bang once resigned as a curator and worked as a farmer at home. Lv Hou and his two children live in a shed in the field. An old man passing by asked him for water to drink, and Lv Hou kept him for dinner. Lao Zhang read Lv Hou's praise and said, "Madam is a nobleman in the world." Lv Hou invited him to visit his two children. He looked at the filial Hui Di and said, "The reason why my wife can become a noble person is because of this son." He looked at Princess Luyuan again and said that he would be a noble person in the future.

After Laozhang left, Gaozu came back from another Tian She, and Lv Hou told him that Laozhang, my mother and son were very expensive. Gaozu asked where the old man was, and Lv Hou said, "It didn't go far." Great-great grandfather went back to his father-in-law and asked about his life.

The old man said, "I said just now that your wife and your son are very expensive because you are lucky." Your appearance is priceless. " Gaozu quickly thanked him and said, "As the old gentleman said, I will always remember your kindness." After Gaozu ascended the throne, the old man's whereabouts were unknown.