What did political machines do to make sure they won elections

During the cold war, which of the following groups of countries would have all been"behind the iron curtain"

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.

The irish and germans of the 1840's were part of the new immigration. true or false