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.
President Woodrow Wilson declared war on German in World War 1 and was in office during the war.
The US Civil War was an un-declared war.
President Franklin Delano Roosevelt was president when World War II began.
president Roosevelt was the leader during WWll
The US Constitution provides that the congress shall declare war. The congress declared war on Germany when Woodrow Wilson was president in 1917 and when Franklin Delano Roosevelt was president in 1941.
He declared war.
George W. Bush
William Mckinney
george washington
President Woodrow Wilson declared war on Germany in World War I on April 6, 1917.
According to Article 1, Section 8 of the Constitution, Congress has the power to declare war. But the President is the commander-in-chief of the armed forces.
The Japanese bombed Pearl Harbor, Hawaii, USA on 12-7-1941. The next day the US Congress and President Roosevelt declared war on Japan. Later, Adolf Hitler declared war on the US.