western civilization - meaningless nonsense you can project anything onto (especially reactionary shit)
North Atlantic countries - what about Australia, New Zealand, Japan, and sometimes South Africa?
NATO - ditto
english speaking world
simple, if slightly reductive. Adequately describes most geopolitical actors in the bunch, pisses off europeans that see themselves as distinct from the United States despite being joined at the hip (and the french won’t even speak french to anyone anyway)
taking the Echopraxia approach: is it a vampire? no. Does vampire get the gist across well enough that you neatly skip over expending energy delving into the minutia? yes


It’s more descriptive, but (at least for english speakers) “anglo” is more associated with “anglo-saxton” and race nonsense, rather than “anglophone”.
British-American Empire, maybe?