The online version of Artificial Intelligence in Behavioral and Mental Health Care by David D. Luxton on ScienceDirect.com, the world's leading platform for high quality peer-reviewed full-text books.
The Constitution was written and signed in 1787. It was a charter of government that came to be ratified by the states, and it continues to be the supreme law of the land. Both documents have played an important role in American history and the spread of democratic ideals around the world.
The earliest known writing originated with the Sumerians about 5500 years ago. Writing was not invented for telling stories of the great conquests of kings or for important legal documents. Instead, the earliest known writing documented simple commercial transactions. The evolution of writing occurred in stages.