The answer is D (the person who answered above me is incorrect). The inca were organized to acheive complex projects.
From conquered populations, the Incas demanded a tax of labor. This tax could be paid with military service, construction work, or agriculture work. It was this organized and intensive system of labor that allowed the Incas to complete massive construction projects. The Incas built on the engineering accomplishments of the mother cultures that preceded them in the Andes region.
The citadel is important, because it has a great archaeological value and a variety of ecosystems. Machu Picchu symbolizes the excellent technical skill, and productivity of the Inca Empire in its apogee.
Italy was chosen to be the seat of The cultural center of Europe because of their historic importance and because they had many special features that would make it ideal for them to be the seat of TCCOE.
Explanation: St augustine wrote about originl sin and predestination and defined chritian orthodoxy in the prodestant reformation and he shaped the docrines of the catholic church his doctrines also splitwestern chritianity and eastern Christianity hope this helps god bless