What feature distinguishes this passage as a foreword?
my career in journalism has taught me the challenges of capturing sporting events, yet gregor powell’s descriptions are flawless. powell is a gold-medal paralympic swimmer, but his memoir proves that his true strength is the power of his insights.

a. it adds credibility to the book.
b. it is written by the book’s author.
c. it explains the book’s topic concisely.
d. it provides a high-interest “hook.”

some of beowulf's most important traits as an epic hero include bravery, loyalty, honor, superhuman physical strength, and the willingness to risk his life for the greater good. these characteristics are exemplified in beowulf's epic deeds, including slaying grendel and grendel's mother.

explanation:

i read about it

in "letter from a birmingham jail," king argues that there are four basic steps in any nonviolent campaign: "[c]ollection of the facts to determine whether injustices exist; negotiation; self purification; and direct action." finally, direct action is taken and acts such as boycotts and sit-ins are staged.