Which accomplishment most likely helped the Incna emperor maintain rule over widesoread lands?

A. The Inca developed a uniform system of wwirting

B. The Incan emperor claimed ownership of all Soth American land

C. The Inca built a vast network of roads and bridges

D. The Incan emperor required all citizens to serve in the army

C. The Inca built a vast network of roads and bridges.