Correct answer choice is:
B. Machine guns.
The machine gun, that therefore came to intimidate and even to encapsulate the battlefields of warfare One, was a reasonably primitive device once the general war began in August 1914. Machine guns of all armies were for the most part of the significant selection and unquestionably ill-suited to immovability to be used by speedily advancing army unit troops.
Due to the rise of industrialism, the north was mostly comprised by factories. In addition, white men in the north were literate at a higher rate than men in the South. Men in the north tended to be businessmen, scientists, etc (i.e. professionals as opposed to plantation owners/farmers like in the south). The south had a higher rate of illiteracy than the north, and was deeply influenced by an economy that depended on slavery and agriculture to thrive.
Answer:
Eleanor Roosevelt chaired Kennedy
