Answer:
Their road system
Explanation:
Inca Trail is the extensive trail system built during the Inca Empire. All the routes of South America directed to Cusco, the main South American metropolis of the pre-Columbian period, legacy of an old cultural tradition.
With that, they could move goods, supplies, and even armies in a much easier way, which helped with the maintenance of their empire.
Answer:
Because all the culture are important and all the culture teaches us something.
Mexico has been involved in numerous different military conflicts over the years, with most being civil/internal wars.
I don't know, what are your choices?