Answer is it encouraged the growing of cash crops
All I would know on this matter, is : America joined WWI because of the American lives being lost on Passenger liners such as the RMS Lusitania.
Americans were tired of war and the US should end it quickly.
The first person able to stake claim was; The first person to arrive at a site.
Answer: 1. Fertile soil for crops
Explanation:
The civilizations that grew in Mesopotamia were some of the earliest known to have engaged in Agriculture. They did this due to the fertile soil that the flooding of the Euphrates and the Tigris deposited on the floodplains.
These fertile soils allowed for crops to grow quickly and in abundance and with the rivers there to water the crops, farming quickly took hold in the early civilizations of Mesopotamia leading to the emergence of city states like Ur.