Poem that is written “to” the subject of the poem is a(n)

Free points cus im rlly bored (might get reported but ya kno idc oh n i made a backup for whenever i get banned its ilovetacobell24 *which is tru me n taco bell are in a long term relationship*)

Which of the following citations correctly follows mla guidelines? a. tanya somanader. "we are stronger because we aredemocracies': president obama addresses the people ofestonia." the white house blog 3 sept. 2014. print. 4 sept. 2014.b. "we are stronger because we are democracies': presidentobama addresses the people of estonia" by tanya somanader. the white house blog 3 sept. 2014. web. 4 sept. 2014.c. somanader, tanya. "we are stronger because we aredemocracies': president obama addresses the people ofestonia." the white house blog 3 sept. 2014. web. 4 sept. 2014d. somanader, tanya. the white house blog. "we are strongbecause we are democracies: president obama addresses thepeople of estonia." 3 sept. 2014. web. 4 sept. 2014.

What was the main idea or message taught by the ballad, "king john and the abbot of canterbury"?