Almost Union prisoners died of disease at the Andersonville Prison in 1864.
13,000
1 million
10,000
33,000

what are local authorities doing to fix the problem

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).

hello,

the steamboat is your answer.

it seems like its the only form of transportation on the choices.