World War I was the first Group of answer choices mechanized war weaponless war British war European war

d

explanation:

i think that this is the best answer, but im sorry if this is wrong

a.tensions between the colonial elites and the backcountry men of virginia.

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.

i would say b. or c.