Answer:
both of them are important.
I would say persistence.<span>Perseverance</span> is when you keep going even when knocked down, and persistence is pretty much the constant effort put into something.
When writing a sentence, you will have a main idea, and you may also have a subordinate idea, a clause that has less importance than the main idea. Subordinate ideas, sometimes called a subordinate clause or a dependent clause, can help you prove or establish the importance of the main idea in your sentence. Knowing how to identify a subordinate idea will help you strengthen your writing skills.