Legislature of different countries has different roles in influencing and formulation their foreign policy. In the Autocratic system, the legislature are less influential where as in democratic system like those in United States and United Kingdom their Indirect influence is significant. In democratic countries legislatures exert their influence by rejecting funds allocated by the government for defence or as aid to foreign countries.
Foreign policy is sum total of foreign action for achieving objectives, foreign commitments and the correct form of its interest. Aims and Objective for foreign policy are national interest, economic development, Protection of Territorial Integrity, Maintenance of links with other Members and Enhancement of the influence of the State
In the modern times, no state can survive in isolation and no state can ignore the involvement in international sphere. This involvement must be systematic and based on some well-defined principles. So, such kind of principles in the light of that such involvements are made is called Foreign Policy.