What are some forms of information that undermine the simple 'oppressor vs oppressed' western narrative

Speaking only for myself, the history of the US slave trade is more important and interesting to discuss, because it’s the history of my country, and my ancestors. I want to understand them as well as I can, because it helps me understand the current US. It’s not a matter of focusing on it because it’s the worst, just that it’s the most relevant to my life.