What is one improvement that Ancient Romans made on the architecture they learned from the Greeks and Etruscans?

Answer 1

One improvement that Ancient Romans made on the architecture they learned from the Greeks and Etruscans is the use of concrete. The Romans developed a new kind of concrete, known as Roman concrete or opus caementicium, which allowed them to construct larger and more durable structures. This innovation of using concrete as a building material enabled the Romans to create impressive architectural feats such as the Colosseum, aqueducts, and large-scale domes. The Romans' mastery of concrete gave them greater flexibility in architectural design and resulted in more innovative construction techniques.