Kết luận cho bài tiểu luận về cuộc kháng chiến chống pháp 1945-1954

b.provides a written record of the transaction

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).

we need the pie chart in order to

the answer is d. selective incorporation. (apex)