They were empires of 19th century who wanted to control as much of the world as possible. USA is a national state, it wants to teach life, have profit, be the first and, occasionally, perform some charity. But unlike empires it does not want to take full responsibility of the long consequences of its policy and fate of minor peoples.
So, what was the empire that did care about what happened to regular people?
So, what was the empire that did care about what happened to regular people?
All of them. Any empire treated all conquered peoples as a part of it (even if second-class part) and took care as it can. It was the "white man's burden".