How did the arrival of Comte de Rochambeau help the patriot cause

c, because the american revolution was from 1765 to 1783.

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.

they bring people together to achieve control of the government

basically choosinng what sets in   congress and presdicny this is to keepthe antion hole and so it can last because wiht out authority it wouldnt last a week

2 should be the answer