Question

Which factor caused the population of Europe to soar between 1800 and 1900

Answer 1

Medicine advanced, and the death rate fell.

Step-by-step explanation:

Less people were dying from simple diseases as there was now more medicine that ensured the life of the patient instead of being termanilly ill and having to wait it out.

Answer 2

Advances in medicine slowed death rates, and caused a population increase.