Respuesta :
The correct answer should b a) built a vast network of roads
When Cyrus united the Persian empire he made what was called the royal road, which was a series of roads that enabled his people to travel from town to town much faster than before which enabled him to have a tighter grip over what was happening in different parts of the country.
When Cyrus united the Persian empire he made what was called the royal road, which was a series of roads that enabled his people to travel from town to town much faster than before which enabled him to have a tighter grip over what was happening in different parts of the country.