How were Europeans able to use biological warfare to their advantage during this Age of Imperialism? A: Europeans deliberately infected thousands of natives with noxious germs in order to eradicate native societies.

B: While biological warfare was used during this age it had the consequence of killing friend and foe.

C: Biological warfare was a new development and not intended for mass eradication of native people.

D: With the production of vaccines, biological warfare was able to kill those who would not submit to European rule.