The document provides information about early river valley civilizations that developed agriculture including the Sumerians, Babylonians, and ancient Egyptians. It notes that around 10,000 years ago, people in the Middle East began farming crops in river valleys with rich soil like Mesopotamia between the Tigris and Euphrates Rivers, laying the foundations for permanent settlements. Notable contributions of early civilizations included inventions by the Sumerians like the wheel, plow, sailing boats, system of writing, and advances in areas like law, mathematics, and metalworking.