This essay will explain liberalism's ideological approach to applied foreign policy which strongly influences the current world system. It will begin with an explanation of the term liberalism, supported by relevant literature. Thus, liberalism represents several extremely important traditions for understanding the actions taken by states, including democracy, intuitionalism, and constitutionalism. It may be true that since the centuries created empires, physical and military strength was dominant. The development of civilization has radically changed this trend and has had an incredible impact on the existing world system and foreign policy practices. Next, it will focus on other approaches to liberalism that are considerable in foreign policy practices of promoting human rights, scientific rationality, and freedom. The growing importance of intangible factors such as knowledge and information has affected how global institutions and state governments behave and how the needs of multiple actors can change to meet the needs of the whole. Finally, we will move on to explaining the liberal approach which influences foreign policy practices through the establishment of judicial and collective security procedures. The establishment of peace and harmony between states is extremely important for representatives of liberalism. Currently, liberalism is a political ideology that explains foreign policy through the interpretation of individual thoughts and how those thoughts are enacted (Doyle, 2012). According to this approach, the spread of democratic institutions around the world is seen as an inseparable action aimed at promoting peace on an international scale. Liberal states have succeeded in implementing a peaceful, harsh and isolated peace. So...... middle of paper...... numbers. [Online] Available at: http://europa.eu/about-eu/facts-figures/index_en.htm (Accessed: April 10, 2014). Heywodd, A. (ed.) (2011) World Politics. Palgrave Macmillan: New York. Hill, Ch. (ed.) (2003) The Changing Politics of Foreign Policy. Palgrave Macmillan: New York. Kelly, P. (ed.) (2005) Liberalism. Key concepts. Polity Press: Cambridge. Moravcsik, A. (2010) Liberal theories of international relations: an introduction. [Online] Available at: http://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&ved=0CDgQFjAC&url=http%3A%2F%2Fwww.princeton.edu%2F ~ amoravcs%2Flibrary%2Fprimer.doc&ei=q1FVU-CUGsXb7Aaq3IDgDQ&usg=AFQjCNF_7SE61W2mbDXTCnF7wg3UpP-60g&bvm=bv.65058239,d.ZGU (Accessed April 10, 2014).Vincent, A. (2010) s. 3rd ed. Wiley-Blackwell Editions: Oxford.