It may be soothing to focus on a few individuals who acted "with integrity and admirable values". The Guardian has a few articles about diplomats that recently

It may be soothing to focus on a few individuals who acted "with integrity and admirable values". The Guardian has a few articles about diplomats that recently resigned because they wanted no collusion with clear crimes against humanity. But that's anecdotal. The USA did their best to destroy democracy in South-America, put millions of people under military dictatures for decades, and induce the torture of tens of thousands. And most people in the USA agreed or didn't care.