Factory conditions during the Industrial Revolution were often so harsh that A. machines were valued more than the workers

b. movements toward socialism and/or workers' unions arose

C. workers' revolts occurred

D. all of the above

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).

the structure was most likely used for;

c. playing a ball game with stone hoops