Because two rivers- the Tigris and the Euphrates as well as some parts of the Nile- regularly flooded the region
It focuses on broad issues such as GDP, unemployment, inflation, interest rates etc.
Answer:
This depends on your view point. Apparently the Allies believed that the treaty was fair and just, but Germany did not. Personally, I think that the Treaty of Versailles was too extreme. Of course Germany had to be punished for war crimes and preventative measures had to be put in place so Germany couldn't try that again, but at the same time, if the treaty was less harsh it wouldn't have angered Germans to the point of electing the Nazi party. The German economy was already crashing and the decisions that were made in the treaty only worsened the entire establishment.
Liberty bonds where war bonds. Sold in the United States, it became a symbol of patriotic duty and supported the Allies during World War I. To put it simply, people purchased the bonds from the government and the money went to the war effort.
I hope this helps! :)