These prisoners were clapped in chains after allegedly being caught killing a farm animal near Wyndham, Australia, circa 1930 ; Credit: State Library of Western Australia/News Dog Media https://www.thesun.co.uk/news/4456954/aboriginal-slaves-australia-chains-united-nations/ " And much it grieved my heart to think. What man has made of man .' - wrote William Wordsworth in another context.