I think you need to be clear, do not use fancy words or descriptive words.
Answer:
to detect and prevent counterfeiting of US currency
A metaphor- it compares two things without using "as" or "like"
Emotive language in the speech is rife as it is a war call.
Explanation:
Churchill was one of the finest at rhetoric in the nation of Britain when he wanted to do a rally call in terms of the speech to rally his troops for the fight in the world war.
This is the speech that was delivered and it was rather emotive in its content.
Blood Toil, Tears, and Sweat is in the speech "We shall fight on the beaches" but in a later version specifically written for the radio.
The original speech did not contain this allusion.
