Answer:
I think they make U-shaped valleys but I don't know if there is a specific name for it
Explanation:
Samuel J. Tilden was the man that had the most popular votes in the 1876 presidential election but ultimately lost it through a decision by a bipartisan committee. The popular votes were with Tilden but the victory was awarded to Rutherford B. Hayes. It was one of the most controversial decisions in the history of elections in the united states of america.
During the 1920s, many minority groups gained more prominence and independence than they had ever had in the past. Among African Americans, this led to a rediscovery of their African roots, as well as an artistic movement that attempted to create its own types of artistic expressions. Women were another group that benefitted, as many became more liberated, as well as more relevant in the public sphere.
Many people disliked such modern changes, particularly when it came to racial equality and social mobility. These people valued the ideas of race and class highly, and believed these to be the right way to organize the nation. Some of the ways in which these people attempted to regain control was by creating racist laws such as Jim Crow laws and segregation. They also formed groups such as the Ku Klux Klan in order to scare people into submission.