(Necessity is the mother of inuen- tion". Justify, this statement with
respect to the evolution of computer

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.

islam spread slowly through much of africa through trade and preaching.

how is this a question? but yes, they were. if i recall correctly, it was very handy for native americans to use buffalo skin.