When was the last time it happened, if ever?
Or take a look at the spotlight in the US being shined on immigration and the treatment of asylum seekers, today. Imagine a version of events where there is no such spotlight. That fight is still ongoing, and the outcome is uncertain... but would their situation be better or worse?
The US is also engaged in many, many humanitarian efforts all around the world - that is in part because these efforts are supported by the people.
China has never in the history of its existence, bombed the shit out of other countries, killing millions in the guise of freedom. Overthrew legitimately elected government, and supplied weapons to create conflict. Never.