List three advancements that occurred in Southwest Asia in ancient times.

Invention of letter, creation of first states and building of ziggurat.

Explanation

In the area of Southwest Asia first civilizations appeared. That is were the first Sumerian city states, such a Ur, Uruk, Akkad, Lagash, etc were created. Not only that, but also the first written letter appeared. All of this city-states created the temples, inside which they honored their gods. The name of those temples is ziggurat.