Why do authors use dramatic irony?

hello! i am thinking the answer is d. to convince parliament to go to war against nazi germany

sorry if i am wrong

i love cake

and don't hate

i know i'm fat

but what's wrong with that

i cant rap

but im sure ya know that

its just for fun

so quit hatin' son

~courtney

- "in the declaration of independence, it is stated that all people have certain rights that can't be taken away. when the government fails to protect these rights, the people have no choice but to remove that government and replace it with a government that will do its job and protect the people's rights."

the underlined phrase is an example of : understatment