Ancient civilizations like ancient Mesopotamia, ancient Egypt, the Indus Valley, ancient China. All developed by rivers. Like ancient Egypt’s Nile river. Rivers were significant to them because it provided them with water, transportation, and farming use.
B. Hoovervilles. The shanty towns were named after Herbert Hoover
Rivers provided all the transportation needs of the plantation and farm owners.
The March revolution or The Russian Revolution of 1917. The Russian Revolution of 1917 involved the collapse of an empire under Tsar Nicholas II and the rise of Marxian socialism under Lenin and his Bolsheviks. It sparked the beginning of a new era in Russia that had effects on countries around the world. I hope that helps!