What event sparked the beginning of world war i?
a. the death of queen victoria
b. the bolshevik revolution in russia
c. the bombing of pearl harbor
d. the assassination of archduke francis ferdinand of austria

Which statement in the passage best reflects sumer's opinion of the dred scott decision? a."i speak what cannot be denied." b."[the] judgment was sustained by a falsification of history." b."the opinion was more thoroughly abominable than anything history." i speak what cannot be denied when i declare that the opinion of the chief justice in the case of dred scott was more thoroughly abominable than anything of the kind in the history of courts. judicial baseness reached its lowest point on that occasion. you have not forgotten that terrible decision where a most unrighteous judgment was sustained by a falsification of history. -charles sumner, 1865

What type of monarch was fredrick the great ?

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need factual information, not opinions.