After Archduke's assassination, all great powers of Europe began declaring war on one another. This is an example of which idea

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.

What major land feature is located at 0* and 20* e? a sahara desert b kalahara desert c congo basin d the alps

How did the grooms national product (gnp) of the united states change between 1940 and 1944