 Cameron was an active member of the House of Commons.He was responsible for the Inebriates Acts, secured various reforms in the Scottish Liquor Laws and was a member of the Royal Commission on the Liquor Licensing Laws in 1895.He was also behind laws conferring the municipal franchise on women, and acts abolishing imprisonment for debt in Scotland and was a member of the Departmental Committee on Habitual Offenders (Scotland) in 1894.