Lantern riddles, all the people contribute to China [answer a party history name]

once in a thousand years [answer the names of the Spring and Autumn Period and the Warring States Period] Laozi

2 All the staff contribute to China [answer the names of the party history] He Long

3 The everlasting regret song [answer an idiom] Joy begets sorrow

4 Victory does not forget the hard work [answer the names of the Yuan Dynasty] Genghis Khan

5 Rub hemp against home and buckle the note, so what can I do [answer]