Look, if you quote with "", quote correctly.
A correct quote would be "Western great powers".
Next, if unsure what a "Western great power" is, accept the help of an encyclopaedia, preferably one quite up-to-date.
This one might help, but other encyclopaedia exist as well, of course.
It's late and I'm not in the mood of creating another long list (about great powers acting secretly, cooperatively and not totally obviously in history).
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