Idk to be honest with you i cant think of anything
The Romans didn't event the sewers, alphabet or roads but they develop those things. They dint event the underfloor heating, concrete, or the calendar that are modern calendar is based on. The concrete played an important part in the Roman building, helping them construct structures like aqueducts that included arches.
Answer:
first ,third and the last one
Answer:
41 years
Explanation:
The Colosseum also known as Flavian Amphitheatre is located at the centre of Rome, the capital of Italy. It is oval shaped and was built by the Flavian emperors with a capacity of 50,000 to 80,000 spectators. The building started in 70 AD and was finished in 80 AD
The Hadrian wall also known as the roman wall was built by emperor Hadrian. The building started in 122 AD and was completed in 128 AD.
Hence the time between the completion of the Colosseum and the building of the Hadrian wall is from 80 AD to 122 AD which is about 41 to 42 years
