2. Civilizations usually expand through - trade
conflict
0 0 0
exploration
all of the above are examples of ways that civilizations have
expanded
e

i dont get its a messy question                                                                                        

Explanation:

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).

c. troops marched forward in close formation against newer, more accurate weapons