Answer:
Architecture
Explanation:
The Roman empire was one of the greatest empires in the world that ruled many regions and spread its dominance. The Roman empire in its period spread across the Atlantic Ocean and Mediterranean. The Romans exhibited many new methods for buildings and construction, including roads, arches, concrete and aqueducts for miles before they reached the point and delivered fresh water.
Answer:
stable civilizations most of the time don't need to worry about things like poverty, or sickness. those are things unstable civilizations do need to worry about. When a civilization is stable, they have more time on their hands to create innovations and work. Meanwhile unstable civilizations will need to be worrying about all the things they need to fix.
Explanation:
Good luck :)
1850.................................... I think