It is the predicate of the sentence
Freedom of speech as outlined in the first amendment.
To share the important details about him and his life
The correct answer for this question is D - on the other hand is the
phrase that indicates a contrast in ideals about marriage. This is
indicated by the fact that the phrase immediately follows a strong
statement about the value of marriage in American society, in that the
passage claims it is always about love, so the reader knows to expect
something drastically different from the writer using 'on the other
hand'.