What did the mass extinction at the end of the Permian period lead to??

What was one cause of the decembrist revolt? a. the desire for a constitutional monarchy b. the need for workers’ reforms c. the creation of a new railway line d. the outcome of the crimean war

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.

In what way did clinton suffer a political setback in 1994? the republicans won control of both houses. the democrats won both houses. clinton lost his reelection bid. his vice-president, al gore, failed to win the presidential race.