History is typically "The study of Human Past."
It is also the traditional study of notable events right in the ancient worlds.
Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
Answer:
Sumerian villages grew
Explanation:
Nomads moved into the fertile land and began to form small villages which slowly grew into large towns. Eventually these cities developed into the civilization of the Sumer. This land is often called the "Cradle of Civilization". As the Sumerian villages grew into large cities, they formed city-states.
Europeans were originally motivated to explore the seas to discover previously unknown lands, especially after the contact with America, where europeans found all kind of valuable goods. The portuguese were the first to pursue maritime exploration, soon to be followed by the spaniards.