The strategic location of the byzantine empire allowed control of the key trade routes between the

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

hope this : )