How did the agenda of grassroots organizations like the Sierra Club and the Wilderness Society change with the rise of the environmental movement in the 1970s?

c.) the country needed a stronger central government.

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).

i think iowa because you committed the crime there