America has been way more benevolent even under its darkest years than the British Empire ever was. Ask Indians and most African countries what it was like to live under the British Crown.
Good grief, why are we even having such a conversation?
"but your genocide was worse than our genocide"
Learn to separate rhetorical devices, propaganda for the working classes via the free public education system, and actual historical facts and context.
Let's just say that altruism and moral purity haven't been high on the political values pile anywhere that power relations are exercised. A little less "my precious" will help in a dispassionate and accurate analysis.