The theory of democratic peace is supported through several factors. One factor is that public figures of democratic nations are more inclined to create diplomatic organizations to relieve international tensions. For example, according to usip.org, The United States Institute of Peace was established by an act of U.S. Congress that was signed into law by President Ronald Reagan in 1984.This institution is an American non-partisan, independent, federal institution that works to prevent, mitigate, and resolve violent conflict around the world.
Another institution created by the United States is the United Nations, which is known to have been an effective form of keeping peace among several countries for many years. President Franklin D. Roosevelt proposed the United Nations in hopes to promote international cooperation and to achieve peace and security. There are 51 participating countries currently in the United Nations. Both these institutions were created by the United States to gear international countries toward the ultimate goal of world peace.
Another factor supporting this theory is that when a war takes place in a democratic nation, their leaders must accept blame for that loss, by the voters of that particular nation. In a democratic nation, voters have a large say in what takes place in their country. According to the American Political Science Review, "they observe that democratic leaders are beholden to voters, and argue that voters oppose war because of its human and financial costs. " If the majority of the citizens in a nation oppose going to war, and the government decides to do so anyway, then any and all the negative aspects that come along with war, such as casualties and financial strains are the fault of the president and the country's government. .
A third factor of this theory is that democracies are more susceptible to viewing countries with similar governing styles and policies as peaceful, as oppose to as a threat.
