I did one once about the Holocaust. I talked about how the Jews survived and the Nazis failed to succeed. In the poem, I related the Nazis to a storm and the Jews to people on a wooden ship out at sea.
Hope this gives you any ideas!
I know this isn't much help but just type the word followed by "definition" into google and you will get every possible meaning
Find a genocide essay off a website somewhere than use quilbot to rephrase it . Trust me it helps. ;)