Euclid to Ptolomey.
The statement is neither true or false,"crossing a road from behind a road"simply does not make sense as a statement - how can you cross a road from behind a road!
The road is narrower ahead. The road is narrower ahead. The road is narrower ahead.
145 miles by road.
Because the rough road has more friction, thus expending the balls energy quicker than smooth road with less friction.
darius I darius I
In the fifth century BCE, the Persian king Darius I built the Royal Road to connect his massive empire.
The satrapies were linked by a 2,500-kilometer highway, the most impressive stretch being the Royal Road, built by command of Darius I. Royal inspectors, the "eyes and ears of the king", toured the empire and reported on local conditions.
The Royal Road, built by King Darius I of Persia, stretched approximately 2,500 miles (4,000 kilometers) from Sardis in western Anatolia to Susa in Persia. Construction began around 522 BCE and was significantly completed by Darius to facilitate communication and trade across the Persian Empire. The road featured relay stations and inns, enhancing travel efficiency and promoting economic integration.
The Royal Road was built by Darius to unite the sparse kingdoms he had conquered. The road was about 20ft. wide and stretched around 15,000 miles connecting North Africa and India and everything in between. There was an inn every few miles in which travelers could exchange their tired horses for fresh rested ones. There were also guards along the road making it the safest way to get across Persia.
The satrapies were linked by a 2,500-kilometer highway, the most impressive stretch being the Royal Road, built by command of Darius I. Royal inspectors, the "eyes and ears of the king", toured the empire and reported on local conditions.
2500 km or 1600 miles
Satraps had to use it for Darius's control
He had his Persian provincial governors each build the section of the road within their province.
Darius I
Persians
The Royal Engineres