The intercalary parts in The Grapes of Wrath, otherwise called 'inward sections,' are the parts that don't concern the Joads legitimately, however, give a type of backhanded editorial on their battles. In "The Grapes of Wrath," the creator John Steinbeck makes reference to the Great Depression, which happened somewhere in the range of 1929 and 1939.
An intercalary section is a part of a novel or novella that is significant to the topic however doesn't include the principal characters or further the plot. The plot manages the Joads family, whose ranch of which they are occupants are influenced by the monetary hardship of the time and they are driven out for work.
The main way dramatic tension is built is the clues that Boo gives, making him interesting, but it can also be frightening. Also, the incidents that pop up in the story also builds up dramatic tension.
B. "They were ballet dancers twirling in <span> the wind." </span> Is your answer. A metaphor is like when you are more comparing something to something. A simile would be like "my dog is as smelly as my socks"