Need help with question 1 and 2

Arrange the events in chinese history in chronological order using the numbers 1-4. the ming dynasty falls to the qing. china experiences a 400-year period of peace known as the pax sinica during the han dynasty. a golden age of expansion and culture occurs during the tang dynasty. nationalists and communists fight a civil war for control of china.

11. why is it important to use positive language in business messages?

Ais a group of individuals of the same that exist in the same place at the same time