What happened at sharpeville in 1960 (nelson mandela)

Ineed to write an essay about harriet tubman

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.

Atex imposed on imported or exported goodies is called a