I think it is Statistics because narrations and testimonies aren't concrete.
Here is a website for meaningful poems. I think you can find a good one on here. I couldn't really find a clean meaningful rap song so I tried to find a poem, but I don't know what kind of thing you like so here you go, https://classicalpoets.org/2016/01/07/10-greatest-poems-ever-written/
Answer:
Ambition is a driving force.
Power can corrupt those who possess it.
Citizens are persuaded by charismatic leaders.
Fate is a powerful idea to those who believe in it.
Loyalty to the republic overrides loyalty to friends.
Explanation:
Good luck ♡
