Which of the following describes the bill-making process ? select all that apply

“a committee reviews the bill and marks it up to make it more viable and to reflect interests 

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).