Over the last few decades, civil wars in Sudan have caused incredible danger, hardship, and sorrow for thousands of innocent children. * a Main idea of the text.
b Too general to be the main idea of this text. (Topic)
c Too specific to be the main idea of this text. (Detail)

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) many feel that their votes do not count eliminate