Liberal internationalism is a foreign policy doctrine that argues that liberal states should intervene in other sovereign states in order to pursue liberal objectives. Such intervention can include both military invasion and humanitarian aid. This view is contrasted to isolationist, realist, or non-interventionist foreign policy doctrines, which oppose such intervention. These critics characterize it as liberal interventionism.
Liberal Internationalism emerged during the nineteenth century, notably under the auspices of British Foreign Secretary and Prime Minister Lord Palmerston and was developed in the second decade of the 20th century under U.S. President Woodrow Wilson.
The goal of liberal internationalism is to achieve global structures within the international system that are inclined towards promoting a liberal world order. To that extent, global free trade, liberal economics and liberal political systems are all encouraged. In addition, liberal internationalists are dedicated towards encouraging democracy to emerge globally.
Once realized, it will result in a 'peace dividend', as liberal states have relations that are characterized by non-violence, and that relations between democracies is characterized by the democratic peace thesis.
In the US, it is often associated with the American Democratic Party...
Liberal internationalism states that, through multilateral organizations such as the United Nations, it is possible to avoid the worst excesses of "power politics" in relations between nations.
Proponents of the realist tradition in international affairs, on the other hand, are skeptical of liberal internationalism. They argue that it is power – diplomatic clout and military force (or the threat of it) – that ultimately prevails.
http://en.wikipedia.org/wiki/Liberal_internationalism
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