B. False. The climax is end to the main struggle of the story.
In this poem, Lord Tennyson critiques Victorian society's ability to make actual progress, stating that every time they try to do so, it <em>sort of </em>backfires at them. While all of the mentioned themes are condensed in this short poem, the most prominent and essential one wold be <em>Revolution</em> due to his complain revolving completely around this topic.
I guess it would be easier for us to define the disadvanatges if you tell us about the technologies you want to mention. For example, it is hard to think of technology and nature together but even advances like Artificial Intelligence (AI) that could not be further removed from the natural world are helping conservation efforts. Well, at least I tried to answer your question. More help you can get if you check the tips at Prime Writings site. Good luck with it!