What was the spark that started the Great War (World War 1)? June 28, 1914: Archduke Francis Ferdinand of Austria-Hungary was assassinated in Sarajevo. Austria-Hungary declared war on Serbia.

June 28, 1914: Archduke Francis
Ferdinand of Serbia was assassinated in Sarajevo. Austria-Hungary declared war on Serbia.

June 28, 1914: Archduke John Wayne of Austria-Hungary was assassinated in Sarajevo. Austria-Hungary declared war on Serbia.

June 28, 1914: Archduke Francis Ferdinand of Bulgaria was assassinated in Russia. Russia declared war on Bulgaria.​

 June 28, 1914: Archduke John Wayne of Austria-Hungary was assassinated in Sarajevo. Austria-Hungary declared war on Serbia.

Explanation:

a. June 28, 1914: Archduke Francis Ferdinand of Austria-Hungary was assassinated in Sarajevo. Austria-Hungary declared war on Serbia.

Explanation:

answer; ///i believe that the correct answer is (a) the great depression

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.