How did advanced weaponry europe during new imperialism?

a.) it became europe’s most valuable trade export.
b.) it gave imperialists even more power over non-europeans.
c.) it enabled europeans to protect themselves from invaders.
d.) it convinced colonies of europe’s cultural superiority.

It gave imperialists even more power over non-Europeans. Option B is correct.

New Imperialism marked a period of colonial expansion by European powers, the United States, and Japan during the late 19th and early 20th centuries. The period was characterized by an unprecedented pursuit of overseas territorial acquisitions. Imperialists sough to develop their empires with new technological advances and developments, making their territory bigger through conquest, and exploiting the resources of the subjugated countries.

c, to compete

is this question from a book? ?