¨I love thee freely, as men strive for right¨ since her free love is compared to the freedoms/rights men pursue........ Freedoms/rights is a social cause.
I'm not sure which number the line(s) are since it isn't labeled, but I'll shorten the lines. "I love the freely, as men strive for right" brings up how people fight for social justice/cause, and maybe even the line following it.
I know that you may have already have already answered the question. However.for those that are wonder the answer is D. stanzas. The poem is structured in a group of lines.
