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The United States declared war on Japan in 1941, during President Franklin D. Roosevelt.

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Which president declared war in World War 2?

Franklin D. Roosevelt declared war because Japan attacked Pearl Harbor.


What was declared during world war 2?

War was declared.


Who was president of the US when World War 2 was declared?

That was Franklin Delano Roosevelt. He was President from March 4, 1933, until he died on April 12, 1945. The US declared war on December 8, 1941.


What was the White Paper in World War 2?

It was the piece of paper that declared war or the 2. It was the piece of paper that declared war or the 2. It was the piece of paper that declared war or the 2.


Who was the leader of the US who declared war on Japan and entered World War 2 after the attack on Pearl Harbor?

president Roosevelt was the leader during WWll


When Germany declared war on France?

In World War 2?


What was Australia's attitude when Britain declared war on Germany in World War 2?

Australia declared war on Germany as well.


When was World War 2 declaired?

world war 2 was declared in 1939 when Germany invaded Poland.


When was World War 2 war declared?

World War 2 started on 1 September 1939 when Germany invaded Poland. Britain and France then declared war on Germany on 3 September 1939.


Did anyone declared war on the us before they entered World War 2?

no, japan did not formally declare war Germany declared war on u.s. after u.s. declared war on japan


What US president declared the World War 2 war?

The president at the beginning of WWI was Woodrow Wilson. You can remember this by knowing that Woodrow created his "Fourteen Points" during the war as a plan for peace after the war ended. But as we all know, this was not how it turned out.President Franklin Delano Roosevelt and the Congress declared war on Japan after the attack on Pearl Harbor.


Who declared war in Germany before world war two?

The prime minister of Britain declared war in Germany. The world war 2 started by Germany in a unprovoked attack on poland.