Answer:
because you can't decide on just one topic and if you do you can't decide which approach to introduce it you should use. It's complicated because either you have writer's block, you are the exact opposite and think of anything and everything, or you write something down and come up with something better!!!!!!
I think A would be the best for a persuasive essay
Start off by writing the rescue teams. Then state you opinion wether you think they are helpful or not. I think they are helpful. Then give examples of how they helped. Then in the conclusion restate your opinion and give your final sentence but make that sentence make people think you are a very good writer