Why was rail concentrated in the east before 1870 and in the west after 1870?

What was the main aim of operation torch which was launched by the allies

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.

Brainliesttt !me : ) describe the conflict and changes in israel: