YES the Puerto Rican law violated the dormant commerce clause. Puerto Rico does not have the power to regulate the cement labels because this law concerns commerce (and the US has the power to regulate commerce within the US territories and abroad).
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"
I Believe It's D. Dramatic irony