Answer:
brought Sumerian ideas and customs back to their homeland. ... Sumerian advances in technology: Farming, technology, and writing helped the empire expand.
Step-by-step explanation:
Sumer was an ancient civilization founded in the Mesopotamia region of the Fertile Crescent situated between the Tigris and Euphrates rivers. Known for their innovations in language, governance, architecture, and more, Sumerians are considered the creators of civilization as modern humans understand it.