Which of the following did not happen during the industrial revolution?
a) people began to live longer due to medical breakthroughs
b) nonindustrial nations became openly combative with industrial nations.
c) more and more people in industrial nations began to move from rural environments to urban environment.
d) many western natiojns experienced political revolutions.

B) non industrial nations become openly combative with industrial nations

Explanation:

The only war that I could find happened during this time was the war of 1812 in the US

So no nations fought over this

Plus I got it right

they thoght they were going to nuke each other

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b