Question

what is the name of the disease that killed many of the settlers after their arrival in plymouth?
scurvy
hay fever
measles
polio

Explanation:

Scurvy was a common disease among early settlers due to lack of vitamin - C rich foods. Hay fever is an allergic reaction not a major killer of early settlers. Measles and polio were not the main diseases that killed many Plymouth settlers upon arrival.

Answer:

scurvy