The Romans had many achievements. Its domains extended through Europe, North Africa, and Middle East Asia. They conquered nations and its legacy is still very important. Its language, the Latin, split into Romance languages, widely spoken today.
Among its achievements, the ones related to architecture are very famous. The chief Roman contributions to architecture were the arch, vault and the dome.
The Romans integrated "the arches" as a new element to obtain larger buildings. The Romans also invented the cement. This material also allowed them to build larger buildings.