Final answer:
The earliest written texts dating from about 3300-2990 B.C.E. were written in cuneiform script by the Mesopotamians on clay tablets.
They included various types of documents such as royal inscriptions, law codes, treaties, literature, and everyday records.
Step-by-step explanation:
The earliest written texts dating from about 3300-2990 B.C.E. were documents written in cuneiform script by the Mesopotamians.
Cuneiform started out as a pictographic system but evolved to include both pictographs and syllabic symbols.
These texts were primarily inscribed on clay tablets and included a wide range of content such as royal inscriptions, law codes, treaties, and literature, as well as everyday records like receipts, contracts, letters, and incantations.