ORFEO
Objection!That's a loaded question!Dafne (1598) was the first known work of the genre we call opera.The liberetto was by Corsi and the music by Peri.
Cancel culture hasn't taken a huge effect on history other than "canceling" figures such as Christopher Columbus. Multiple monuments have been toppled or graffitied on that represent the dark spots in history, such as confederate leaders, colonizers, etc. Though the context in history books have not changed as much. Removing history from the books is no the responsibility of cancel culture. Cancel culture could be a possible threat to learning true history and how we came to be. We must learn true history to not make the same mistakes we did in the past. History will repeat itself.
Abraham Lincoln had just signed the emancipation proclamation before he was shot which freed all of the slaves; However, the majority of the south still did not see the slaves as free and so they discriminated against them. Race relations were tight.
Answer: Battle of Iwo Jima Battle of Saipan Battle of Leyte Gulf