Which option best completes the diagram? A. Increasingly outdated military technology
B. Reliance on Christian Janissary soldiers
O C. Conflicts with Hindu and Sikh organizations
D. Leaders reversing policies of religious tolerance

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 answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

c) troops march forward in close formation against newer, more accurate weapons

athena gives perseus a mirror sp he won't directly look back at her.