TRUE
industrialization brings income which makes these things possible/easier
"(3) Characteristics of Civilizations" would be the best heading that completes the partial outline <span>below, although it could be applied to different things as well. </span>
It's a because during the middle ages kingdoms conquer other nations by the numbers as soon as the child has education he (I say he because they didn't allow women to have education back then) he will enlist into one of the European nations and fight.
I think that the answer is deficit spending