Traveling poets were most influential in the spread of information
a. during the homeric age.
c. while serving the aristocrats.
b. during the rise of city-states.
d. in sparta.

Traveling poets were most influential in the spread o information during the rise of city-states - b. 

Poets were able to act as spies of sort because they were pretending to be poets but were actually gatherers of important information which was being sold from city to city as in what was going on in it.

Ibelieve the answer is 1756. 

(pedro de cieza de leon, taken from the book chronicles of the incas) is that it's offered rewards to the empire's hardest workers.