Who in inca society was responsible for physical construction of roads and bridges?
nobility
runners
sapa inca
lower classes

"Lower classes" is the one among the following choices given in the question that was responsible for physical construction of roads and bridges. The correct option among all the options that are given in the question is the fourth option or the last option. I hope that this is the answer that has actually come to your help.

C. women's suffrage is the answer