The colonists lost all power, why was life so hard?

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 1870 which path would be the easiest to travel when going from omaha to sacramento a-mormon trail b-transcontinental railroad c-santa fe trail d-california trail

The constant so pressure needed to play the hydraulis was supplied by a what