What event in Sarajevo ignited WWI? O A.
an ultimatum presented to Serbia
B.
the assassination of Archduke Franz Ferdinand and his wife Sofia
C.
Austria's rejection of Serbia's offer and declaration of war on Serbia
D.
Russia's mobilization of troops along the Austrian border

Article ii "each state retains its sovereignty, freedom, and independence, and every power, jurisdiction, and right, which is not by this confederation expressly delegated to the united states, in congress assembled."—articles of confederation which of the following principles of american democracy does this quote best represent? social contract natural rights federalism rule of law