(i) Hoa Hao Movement began in 1939 and gained popularity in the fertile Mekong delta area.
(ii) It drew upon religious ideas popular in anti-French uprisings of the 19th century.
(iii) Founder of Hoa Hao Movement was Huynh Phu So. He performed miracles, his criticism against useless expenditure, a sale of child brides, gambling and use of alcohol and opium had a wide appeal.
(iv) He was treated bad and was expelled to Laos and many of his followers were sent to concentration camps.
(v) It was against colonial rule and its significance in arousing anti-imperialist sentiment should not be underestimated.