Whats the theme of the story "Excerpt from Question for author here"

How did disease impact the human death toll during this time period? disease killed more people than combat during this time. disease steadily increased as the war hospitals were attacked. improvements in medical technology decreased illness overall. disease was a small but significant contributor to deaths at this time.

What is the main idea of this excerpt? 1.1.3

European expansion into africa left native regimes intact but had a strong impact on local societies what does this mean