What events of the 1940s and 1950s laid groundwork for civil rights movement of the 1960

Which of the following are details about the compromise of 1877? election results in a couple of states were in dispute and too close to call. samuel tilden would be given the win in exchange for the removal of federal troops. the presidential election was close between rutherford hayes and ulysses grant. it was agreed troops would leave the south in exchange for a hayes victory.

In a story containing the following points, which would likely occur last?

Describe the impact of the neolithic revolution on civilization