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The Vietnam War claimed 50,000 U.S soldiers and cost the U.S $200 Billion.
Do not know if this is the most costly (I suspect it isn't), maybe others can add to this answer with similar stats for other wars.
Additionally, this is only the cost from the American side. The real cost of the conflict must be far greater.
Actually the Vietnam "War" is techniacly and legally refered to as a "conflict" as we lost it, this way the US can claim it "has never lost a war", kind of pathetic if you ask me. Any way, the most costly single battle in American history was the Civil War Battle at Antietam, followed closely by Battles such as Gettysburg, or the Battle of the Bulge, but the single most costly conflicts would be World War One or Two, Im no WWI expert but the Battle for the Somme is one of the most famous WWI battles fought. I do know alot about WWII, and in particular the Battle for Stalingrad shines out, with over 1 million men KIA (killed in action), missing or injured on both the Russian and German sides by the time it was all done (but that's count the entire campaign for the city, from the first German advance towards it, to the fire bombing of the city, to the actually seige, and finally the Russian breakthrough and encirclement of the Germans) others to consider would be, as stated, the Battle of the Bulge, as well as the D-Day landings, and subsiquent battles that followed to open the door to Europe, especially the Battle for St. Lo. In the Pacific Theater major battles included Okinawa, Iwo Jima, Guadalcanal, the Solomons, and both the battles for the Philipeans.
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What was the most costly war for France?
The War of The League of Augsburg
What was the most costly Soviet warplane in World War 2?
Yak 3,perhaps
How were the puritans affected by king Phillips war?
they might of had to fight, as percentage of population most costly war on us soil.
How much does a World War 2 tank cost?
$40,000
Was B29 most expensive project of World War 2?
While the B29 was expensive it cannot even compare to the real most expensive project of World War 2. The Manhattan Project was the most costly project to develop the atom bombs used in World Wa2. This project cost well over 2 Billion Dollars in the 1940s. That would be like a 20 Billion or so dollars today. So the atom bombs each cost slightly under a billion dollars a piece.
What was the monetary cost of World War 1?
It was very costly.
Which war was the most costly and destructive?
World War II
What was the most costly war for France?
The War of The League of Augsburg
What war was more costly to lsrael than the six day war?
Both the War of Independence and the Yom Kippur War were much more costly to Israel that the Six Day War.
What was the Korean War like in 1952?
brutal, bloody and costly both in lives, injuries and cost......
What was the most costly battle the US fought to gain native American lands?
The Civil War battle of Sharpsberg as America's most costly battle whit about 23,00 casualities.
For most of the 1960s and up to 1973 the US was involved in a costly war?
Yes, the Vietnam War.
The War of the Spanish Succession was the most costly war for France?
You should try more research.
Which was the army's longest most costly Indian conflict?
Second Seminole War
In what war was there more American lives lost?
In warfare the war which is most costly to US lives is the US Civil War.
What was the most costly Soviet warplane in World War 2?
Yak 3,perhaps
How were the puritans affected by king Phillips war?
they might of had to fight, as percentage of population most costly war on us soil.
