You are right but it is more complex than that… e.g. as I mentioned earlier, (as an Australian) I will usually say “the US” not “America”, but in certain contex

You are right but it is more complex than that… e.g. as I mentioned earlier, (as an Australian) I will usually say “the US” not “America”, but in certain contexts - talking to younger children for example - it will be the other way around