Commercial expression may be defined as expression that is intended to further the economic interests of the speaker, usually in the form of an advertisement that communicates information about a product or service or expressing an opinion about the same. Constitutional protection for the commercial expression of others assists the self-realization of the recipients of expression in the sphere of personal economic decision-making. Any analysis of the support offered by appeals to listener autonomy for commercial expression must also occur within a broader context of the complex relationship between autonomy and freedom of expression. An embargo by Arab Middle East oil exporters in the 1970s hit countries such as the US which were generally perceived to have been pro-Israeli in their foreign policy stances. In a legislative sequel to the ruling, the Tobacco Act 1997 was passed. The Act also permitted the Governor in Council to make regulations to further the objects of the Act.