Latin America? that is my guess
By treaty with France after the victory in war
Answer:
Isolationists won the upper hand after World War I. Following the mood of public opinion, they were reluctant to keep US deep engagement in world affairs. The Senate refused to ratify the Treaty of Versailles and the treaty of the League of Nations, the cherished brainchild of president W. Wilson. As a result, the absence of the US and the lack of means to enforce its resolutions, the League of Nations was a failure. Isolationist views also made it harder to get the US join the Allied side in the early moments of WWII.
Explanation:
Using irrigation system was the practice closely associated with most ancient river valley civilization.
Answer/Explanation:
It relates to it because there was a plague because of the lyrics, a rosy red rash in the skin was believed to be a sign that you were infected with the plague and a pocket full of posies described that scented flowers were carried and held close to the nose to stave off the smell of death and disease the last line we all fall down supports the believe that at the time death was a certainty