Answer:
Architecture. From military structures such as forts and walls (including the spectacular Hadrian's Wall) to engineering feats such as baths and aqueducts, the most obvious impact of the Romans that can still be seen today is their buildings. ... The Romans built in stone, in straight lines and in a grand scale.
Explanation:
The fall of Rome also paved the way for another major part of Europe's history: feudalism. When Rome fell, Europe fell into a state of constant warfare. The new kings not only wanted to tax their populous, but also wanted them to fight during times of war.