 It was influenced by both Ethiopianism and the Back-to-Africa movement promoted by black nationalist figures like Marcus Garvey.The movement developed after several Christian clergymen, most notably Leonard Howell, proclaimed that the crowning of Haile Selassie as Emperor of Ethiopia in 1930 fulfilled a Biblical prophecy.By the 1950s, Rastafari's counter-cultural stance had brought the movement into conflict with wider Jamaican society, including violent clashes with law enforcement.