Answer:
The answer is (D) by building an advanced system off roads
Step-by-step explanation:
The Incan Empire is an empire in the 14th-15th century, which encompasses modern-day Peru, Ecuador, Bolivia, Argentina, Chile, and Colombia. The Incan Empire is responsible for many technological innovations unique to its era, especially improvements to its agriculture industry. It is also known for its textiles and architecture. Due to its large size and terrain, the Incan Empire needed to create a good road system that can be used for transportation, trade, military, and religious purposes.,