The vietnamese led independence movement against the

I believe you are talking about a revolution before that if this is the case then the answer would be the Chinese. brainliest pls

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).