which factor most contributed to the united states' decision to enter world
war ?
o
a. the allied powers' victory in the battle of the somme
o
b mexico launching attacks on u. s. territory with the of
germany
o
a. the ottoman empire beginning a campaign of genocide against
the armenian people
d. germany attacking merchant ships that carried american civilians

D. Germany attacking merchant ships that carried American civilians

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.