the alleged duty of the white peoples to bring their civilisation to other peoples regarded as backward—USA, 1865—in early use, often referred to the relations between European Americans and African an Americans
the principle that, where an effective legal system is absent or does not apply, brute strength and self-interested ruthlessness are what determine success, ownership, etc.—USA, 1878—predates Kipling’s Jungle book
prostitution—1889 as ‘the most ancient profession in the world’ in On the City Wall, by Rudyard Kipling—was used earlier, with positive connotations, of various professions, especially agriculture
UK, 1879—when matters become difficult or serious—of obscure origin—perhaps originally in reference to a music-hall song of that title, interpreted from 1870 onwards by Annie Adams
two different people or things are totally incompatible—1901—alludes to “East is East and West is West, and never the twain shall meet” in Ballad of East and West (1892), by Rudyard Kipling
USA—‘in mothballs’ (1892): in a state or period of inactivity, disuse, reserve, storage or postponement—‘out of mothballs’ (1905): back into activity, into use
a comma immediately preceding the conjunction in a list of items—1978—named after the preferred use of such a comma in the house style of Oxford University Press