The tetrarchs

a. regional rulers who dominated trade along the silk roads.
b. christian missionaries who lost their lives spreading the faith in central asia.
c. manichaean priests.
d. he four officials who ruled the roman empire under diocletian's plan.

The correct answer is letter D.

The Tetrarchs since the late Middle Ages, the group has been set on the facade of St. Mark's Basilica, in Venice, Italy. It was probably originally part of the decorations of the Philadelphia, a public square in Constantinople, but it would have been removed by the Knights of the Fourth Crusade and taken to the Republic of Venice.

the real answer is b

answer

the statement that best describes president carter’s attempt to free the hostages in iran is c. all of the attempts failed.

explanation

the operation eagle claw conducted by the united states armed forces was a failed mission which aimed to rescue 52 americans captured as hostages in the american embassy, tehran on 24/4/1980.the mission was authorized by president jimmy carter. the failures included;   obstacles in operation that included operational conditions challenges caused by sandstorms, hydraulic problems of one the helicopters and , mechanical failure of another helicopter that was identified as a cracked rotor blade and the crashing of another helicopter during mission abortion causing death of 8 service persons.