It was Iron. they were the first army to, on a large scale, supply their army with iron weapons. they also used the iron to make chariots.
Concrete
Concrete
Most were purpose built.
Marble.
Granite
Any material used in buildings.
Geometry is used in construction because buildings are built with different angles and shapes.
assyrian caravans were in 1600 B.C. and they were used by Assyrians
A buttress is an architectural structure used to support or reinforce a wall. They are usually projecting from, or built against, a wall. Buttresses are common in ancient buildings.
they used adobe bricks
white marbel
Steel is commonly used in buildings due to its high strength-to-weight ratio, which allows for tall and durable structures to be built. Steel is also versatile, easily shaped and modified to fit different architectural designs. Additionally, steel is resistant to corrosion and fire, making it a reliable material for supporting structures in buildings.