The distinction between so-called "ethical" humanists and "secular" humanists is most pronounced in the United States, although it is becoming less so over time. The philosophical distinction is not reflected at all in Canada, Latin America, Africa, or Asia, or most of Europe. In the UK, where the humanist movement was strongly influenced by Americans in the 19th century, the leading "ethical societies" and "ethical churches" evolved into secular humanist charities (e.g. the British Ethical Union became the British Humanist Association and later Humanists UK). In Scandinavian countries, "" or "" (roughly synonymous with ethical humanism) is a popular strand within humanism, originating from the works of Danish philosopher Harald Høffding. The Norwegian Humanist Association, Human-Etisk Forbund (HEF, literally "Human-Ethical League"), belongs to this tendency. Over time, the emphasis on has become less pronounced, and today HEF promotes both (secular humanism) and . In Sweden, the main Swedish humanist group Humanisterna ("Humanists") began as a "human-ethical association" like the Norwegian humanists before adopting the more prevalent secular humanist model popular in most of Europe. Today the distinction in Europe is mostly superficial.