I believe its the barbarians
These areas had really never been mapped out, and if they were then they were not accurate.
Answer:
Ghost Dance. Ghost Dance, either of two distinct cults in a complex of late 19th-century religious movements that represented an attempt of Indians in the western United States to rehabilitate their traditional cultures plz mark me brainliesst
Explanation:
More cars, more affucient society.
This is important, because this lead to more trade routs with other countries, and this strengthen the empire as a whole. These roads also lead to more connections to cities, and lead to more homes, and overall improved their society as a whole.