Answer:
The answer is concrete
Explanation:
Ancient Roman concrete was a mixture of lime mortar, aggregate, pozzolana, water, and stones, and was stronger than previously-used concretes. The ancient builders placed these ingredients in wooden frames where they hardened and bonded to a facing of stones or (more frequently) bricks.
Answer:
Fighting against Romans and barbarians alike, he extended the Frankish Kingdom and consolidated its power by conquering Gaul and unifying it under the rule of his Merovingian Dynasty; his descendants would rule much of Gaul for the next 200 year.
Explanation:
True, when creating a piece an artist has to use a combination of all elements to compose something that will actually be appealing to the eye.