United States foreign policy is an extension of the domestic policy and determines how the policy is applied to foreign nations, ultimately to benefit and foster the national security, defense and interest of the America. The foreign policy has been shaped up by numerous historic events, tailored to the needs of the American individual.

After the Revolutionary War, the United States was aiming to keep its independence and protect the national interests from the European world powers. The Monroe Doctrine policy was established to limit the European interference in the Western Hemisphere in attempt to colonize or encroach further in the newly established sates. By the 19th Century, America was consolidating its efforts to foster a strong industrial and economic nation, which set the quest for expansion on new markets and colonies. By the 20th Century, the desire to expand, leaves United States to face a war with Spain for Cuba and Philippines, later the annexation of Hawaii, the Panama Canal, towards building a strong military and economic power and many other instances. World War 1 has kept the United States engaged in the European affairs , but after the prosperity of the 1920s and the Great Depression, America is faced with a Pearl Harbor attack by the Japanese and a military position considerably weakened. World War 1, leaves
United States with isolation, and a long and desperate economic decaying age.

After World War 2, controlling two thirds of the world’s gold, United States becomes the world’s largest creditor and economic power. Billions of dollars are invested through the founding of United Nations Forum to help Europe recover and reconstruct from the war devastation. World Bank, International Monetary Fund, the North Atlantic Treaty Organization has gained the first alliance with Europe in more than a