Answer:
1. They developed a complex road system to connect the many regions of their empire.
2. Inca
Step-by-step explanation:
The Inca empire was a large empire and for the Inca to maintain control, they needed to be able to move across the steep terrains that their empire encompassed. For this reason, they built an complex road system that included a lot of rope bridges.
These rope bridges numbered over 200 and were capable of supporting heavy weights which allowed the Inca to transport goods and armies to various parts of the empire and led to the establishment of one of the greatest ancient empires of all time.