The already poor countries look brightly on the idea of social conformity and taking care of each person. However the failures a socialism are seen when poor countries simply become poorer because there is decreased competition such as Venezuela.
Answer:
They created irrigation systems and used canals to control flooding. They also used the silt brought by the floods to help with their farming.
The 1920s were a period of dramatic changes. More than half of all Americans now lived in cities and the growing affordability of the automobile made people more mobile than ever. Although the decade was known as the era of the Charleston dance craze, jazz, and flapper fashions, in many respects it was also quite conservative. At the same time as hemlines went up and moral values seemed to decline, the nation saw the end of its open immigration policy, the revival of the Ku Klux Klan, and the trial of a Tennessee high‐school teacher for teaching evolution.
I am not sure if this is the answer you are looking for but I gave it a try!!
Fort Sumter. April 12, 1861