The United Nations. They also helped prevent any more world wars.
Answer:
invashions and food famen
Explanation:
The term that Mark Twain coined as an era characteriezed by a facade of prosperity was gilded age. "Gilded Age" was a title of a book that he co-wrote with Charles Warner. The book is about poor people trying to get rich and their relentless pursuit of wealth. Gilded gold was a term that meant that gold was placed on top of gold over and over, as in a bar of gold.
The people of Mesopotamia had two rivers namely the Tigris and Euphrates. They made canals and other man made waterways to use for irrigation and to supply their plants with water. Using these irrigation tools they channeled water from rivers to their crops. Irrigation helped keep the soil moist, and the river water delivered nutrients to the soil. In this way they grew crops on a regular basis.
Few crops that they grew were- barley , wheat, vegetables, lentils, fruits etc.
