Hello Anyone wanna talk even though it is late please?

During the medieval period wich group played an important role in staging

What task did the surveyors do? a. they studied the landscape to determine the most direct route for building a road. b. they designed treadmills that lifted blocks of stone to where they were needed. c. they dug trenches and filled them with sand, concrete, and large blocks to form a road.

In the song mallam sile sings in lines 113 through 130 the knife probably represents