Answer B.
They carried messages between different parts of the empire
The runners in the Inca society were called Chasqui runners and were young men used to bring messages by running between different parts of the Inca Empire.
Workers and sailors surrounded them
Answer:
Planted/harvested crops
Made shoes/clothes
Some were Blacksmiths, made cannons/guns
Many joined the front line, taking care of wounded, washed clothes and cooked
A few actually fought in the war
Hope this helps