We can actually deduce here that the best that describes sentence 1 is: It is a complex sentence.
<h3>What is a complex sentence?</h3>
A complex sentence is actually known to be a sentence that has one independent clause and at least one dependent clause. Complex sentences are used when one makes a complete statement but wants to add more information to the main point.
We see here that "When the twins grew up" is a dependent clause while "they continued to fight" is an independent clause.
IThe metaphor affects the meaning in the sense that it is not at all helping the other features in showing positive emotions. In this case the feelings are not so positive. the author says that the moon is quiet, dark and it is tattoo on the sea. The author is showing that moon is acting differently. The moon becomes the spoiler of the scene.