Howl because ing is a suffix.
A. is the answer because <span> (A)Both poems address the subject of undying passion. For example, in poem number 1 the narrator shares that he always had somebody to love, and in poem number 2 the narrator says that he too has always loved. As a result, love is known as an undying passion. It can never be dulled or broken and it wins all. Hope thsi heps:)
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I would not say it is.
Happiness is an emotion. Just is regret, sadness, solidarity, grief, etc. In most scenarios happiness is an attributed factor and result of struggle, but not always. Someone could have the worst life imaginable, but just as well be content. Anyone can be truly happy, no matter the situation. This does not mean struggle is dismissed as a factor in the becoming of happiness, however. Many things come from struggles, and happiness is a common emotion once the struggle is over.
This is only eight sentences, but it's a good start.