Answer: I'm confused ? what's the question ..?
.. " What appeals did MLK used in "I have a dream" .. same for " Letter from a Birmingham Jail "
Use an apostrophe + S ('s) to show that one person/thing owns or is a member of something. ...
Use an apostrophe after the "s" at the end of a plural noun to show possession. ...
If a plural noun doesn't end in "s," add an apostrophe + "s" to create the possessive form.