One good option is tetrameter.
Answer:
Freedom is important for our happiness because it allows us to make choices that make us happy and gives us the opportunity to make mistakes and learn from them. So our happiness depends on how we feel about the choices we've made and continue to make in life.
Explanation:
Remember, theme is "TheMessage" in the story. Grab supporting details that could include "because, as, etc." That explain some specific action happening. Always look for the cause and effect in the stories. When you explain in detail, you write "and this supports the theme of the story because (your answer here). Remember to start your conclusions with "Therefore, So on and so forth, In conclusion, etc." Hope I helped! (:
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