Answer:
C. They all developed near a major body of water.
Explanation:
The earliest known civilizations, in the valleys of the Nile, Euphrates, Tigris, and Indus rivers and in Southeast Asia, have developed near either the Mediterranean or the Indian Ocean.
Because Rome needed to be protected from neighboring Aequi who had surrounded the Roman army, and the council.
The answer should be comparative
The period saw major technological advances, including the adoption of gunpowder, the invention of vertical windmills, spectacles, mechanical clocks, and greatly improved water mills, building techniques (Gothic architecture, medieval castles), and agriculture in general (three-field crop rotation)