On which college campus were four protesters of the vietnam war killed by members of the ohio national guard?

Don’t mind the already marked answer but taking it now

What was the most common destination for african american migrants between 1910 and 1930

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.