Since its formation, the U.S. approach to the International Criminal Court has fluctuated from occasional cooperation to outright hostility.
The Complicated Relationship Between the U.S. and the ICC, Explained

Investing
complicated relationship
,outright hostility
https://www.usnews.com/news/national-news/articles/2024-05-23/the-complicated-relationship-between-the-u-s-and-the-icc-explained