Cities, government, religion, social structure, writing or art
The second answer would have to be correct, because I believe this is focused on the Paleolithic Era.
Do you have options? If not I can list a few:
Illegal drugs.
Illegal Weapons.
Illegal stuff.
Unregistered people.
Terrorists.
Answer:
It changed lives
Explanation:
It changed because automobiles gave people access to drive to jobs, places houses, and services.