World War II An aerial view shows the leveling of whole city blocks in Tokyo after U.S. incendiary bombing raids in 1945.

Nevertheless, America's role in World War II (which began in December 1941 after the Japanese attack on Pearl Harbor), for better or worse, also shapes America's foreign policy today.

As World War II approached, the lesson of World War I, for Americans, was a frightening one. Despite two and a half years of warning, the United States had entered the First World War unprepared.

Biden defended his conduct of foreign policy at the State Department on Monday: "The United States is winning the worldwide competition compared to four years ago." That is mostly true, writes ...

In this episode of Horns of a Dilemma, Michael Kimmage, professor and department chair at the Department of History at Catholic University in Washington D.C., discusses his book, The Abandonment of ...

Polish Foreign Minister Zbigniew Rau has signed a diplomatic note to Germany concerning reparations for World War Two, he said on Monday, formalising Poland's demand for compensation ahead of a ...

Clifford May is president of the Foundation for Defense of Democracies and says that US President Donald Trump's "America First" foreign policy has succeeded in forcing European NATO members to ...

Author Melvyn Leffler talked about his book, [Safeguarding Democratic Capitalism: U.S. Foreign Policy and National Security, 1920-2015]. He discussed how and why U.S. foreign policy has evolved ...

European Union foreign policy chief Josep Borrell set out proposals on Monday for how Gaza should be run after the war between Israel and Hamas, calling on Arab countries to play a greater role in ...

President Trump is running, I would say, not against the foreign policy of the post-World War II era but rather against post-Cold War foreign policy hubris.

The disruptive foreign policy of U.S. President Donald Trump has jolted many countries into the stark realization that they must do more, quickly, to shoulder the burden of protecting and ...

Fifty years after the US pulled out of Vietnam, the legacy of that war is still influencing its decisions.