Sentence:  17: The three major forms of Modern <WSD>English</WSD>—British, American, and <WSD>Commonwealth</WSD>—are very nearly identical on the printed page, a great source of the linguistic unity and cultural solidarity of the Anglo-Saxon civilization. / 25: <WSD>Commonwealth English</WSD> is very young in the prestige of its independent status. 
Meaning of the word marked with <WSD> tags:  The group of varieties of English used in the ex-colonial member states of the Commonwealth of Nations, in distinction to the varieties used in Britain itself