Answers:
A.built ziggurats as temples to the gods
C.wrote in cuneiform
A ziggurat is a type of structure built in ancient Mesopotamia. These were built by Sumerians, Akkadians, Assyrians, Elamites, Eblaites and Babylonians for the worship of their religions. Each ziggurat was most likely part of a temple complex that included other buildings.
Cuneiform is one of the earliest systems of writing, and was invented by Sumerians in the late fourth millennium BC. Cuneiform was usually written on clay tablets. It gradually became replaced by the Phoenician alphabet, and became extinct around the second century AD.
