Which European countries made up the Triple Alliance prior to World War I?

Germany, Italy, and Austria-Hungary

Italy later decided to join the entente and betray the triple alliance.

6 or 2

explanation:

hope this you

but i think its 6

no options provided, here,but the answer to this question is often: a historian cites a japanese newspaper article published a year after the end of world war ii in order to draw conclusions about the effect of the war on the japanese economy.

clearly from the answer, the historian alludes to historical sources,and records to aid in analyzing and drawing conclusion on the effect of the war on the economy of japan.