Ram mohun roy tried to end all of the following except

Ram Mohun Roy whose name can also be spelled as Rammohun, Rammohan or Ram Mohan was born on May 22, 1772 in Radhanagar, Bengal, India and later died on September 27, 1833 in Bristol, Gloucesterhire, England. He was a brave Indian religious who is known for reforming social and educational aspects in India. He defied the traditional Hindu culture and showed the progress that could be attained by Indian society under British leadership. He tried to  stopped child marriage, purdah and sati but not cash crops.