Anglosphere
By the time of the 2003 Iraq war the political use of the word meant the cultural tendency towards military intervention, particularly by the US, the UK and Australia. Strategically, the word has come to mean that the US is usually backed by Britain and Australia, but not so much by Canada. In this sense, Canada is and sometimes is not considered a part of the Anglosphere. This has been since the Pierre Trudeau era. The United States of America is generally considered by many to be the dominant country in the Anglosphere.