Enjambment - the sentences do not finish with the end of the line.
Simile - "like a slackened drum"
Maybe even hyperbole, since it is an exaggeration.
Five sources for informational text or research material are:
1) Books
2) Periodicals & Newspapers
3) Reliable Articles (both written or internet) that are not always one-sided
4) Documentaries
5) Historical records
Answer:
answer is a trust me ......