Final answer:
William Brewster and Myles Standish helped defend the Plymouth colony against threats during the difficult winter of 1620-1621.
Step-by-step explanation:
During the difficult winter of 1620-1621, William Brewster and Myles Standish, two notable figures in the early colonial period, provided help to the struggling Plymouth colony. They helped defend the colony against threats from Native Americans and other sources. Standish, in particular, was known for his military expertise and played a vital role in protecting the settlers.