More than 5,000 years old.
Answer:
Balance in design is the distribution of elements of the design. Balance is a visual interpretation of gravity in the design. Large, dense elements appear to be heavier while smaller elements appear to be lighter.
Explanation:
I don't take the class, so this might not be so helpful.
The arches were made as early as the 2nd millennium BC in Mesopotamian back agriculture, and their systematic use started with the ancient romans who were the first to apply the technique to a wide range or structures.
The Purpose was to give it more strength, although it had limited the size and scope of the building. As a result, builders couldn't construct extremely large structures.