They are important because they were the first to rule
They worshiped the gods.
The important difference was the Sumerians being idolaters.
The important difference was the Sumerians having been idolaters.
The invention of the plow was so important to the Sumerians because it helped farmers
Sumerians developed 350 day calenders.
Neighboring Sumerians and the Akkadians were bilingual.
Neighboring Sumerians and the Akkadians were bilingual.
gulong
See the related link
cuneiform witing
It was their writing system.
The writing called cuneiform.