Why is an understanding of history important to writing an effective inaugural address?

Because you need to know some basic things, like major wars, because you want to learn from the other president's success and failure to make you a better president.

Explanation:

beowulf is considered an epic poem because it describes the actions of a great warrior.

beowulf is taken into account an epos. in this poem, the main character may be a hero who travels nice distances to prove his strength at not possible odds against supernatural demons and beasts. in the poem, beowulf was a young warrior and he leaves his country to hrothgar, as hrothgar was in a great trouble.