you declare war
which governing body is able to declare war
In the United States, only a joint resolution of Congress can officially declare war.
Bay of Pigs/Cuban Missile Crises/U-2 Spyplane
USS Pueblo
The USA did not have to declare war on Germany because Adolf Hitler declared war on the USA.
Pearl Harbor
The Zimmerman Letter
Elton John
England did not declare war on Germany. Great Britain did. England is not an independent nation. Nonetheless the Answer is still Poland.
France and Britain had promised to declare war if Germany tried to obtain anymore territory. And they kept that promise when Poland was invaded.
Bacon Letice Tomato
The kaiser's support of Austria-Hungary led that nation to declare war on Serbia-novanet
The assassination of Austrian Archduke Ferdinand was the immediate cause of World War I. He was killed by a Serbian terrorist, which caused Austria to declare war on Serbia. Serbia was allied with Russia, who intervened, causing Germany to declare war on Russia, which caused France to declare war on Germany.
The immediate cause was Japan's attack on Pearl Harbor. This caused the US to declare war on Japan, which led to Germany and Italy declaring war on the US.
They didn't have to. On 11 December 1941, Germany declared war on the US.
Congress declared war on 13 May1846 but by then the war had been going on for three months.