How early?

Japhy

Banned
Like, under any possible circumstances? Because several things that increase American involvement in European Affairs or at least entrench US-Allied relations before the war have the potentiality to eliminate the war as we know it. And would involve lots of knock off butterflies.

I mean to have a real blinders-on situation, one could theoretically see the US in the League of Nations in 1920, followed by a re-affirmation of America's relationship with the Anglo-French in the face of economic discussions with Germany and in condemning the Italian invasion of Ethiopia and in promoting an embargo on Spain during the Civil War. On September 1-7th, 1939 the United States Congress in concert with its allies, declares war on Germany.

That of course would require increased US involvement in European affairs to have zero knock-off effects before an identical rise of Hitler and invasion of Poland.

Of course the same thing is theoretically possible, following a German invasion of Czechoslovakia so October 1-7th 1938 might be the winner too.
 
May of 1941 after German Uboats sink US ships

Would Japan declare war on USA?
If USA enters war in May of 1941, might mean USA beefs up a little more in the Pacific. Japan still might do a Pearl Harbor, but USA is already ramping up.

Germany still goes after USSR in June '41 as it believes it can knock Stalin out and then deal with the USA and UK. This once again avoids the two front war for Hitler. Problem is that he does not knock out USSR and USA builds up sooner in England.
 

TFSmith121

Banned
Kind of depends on the wider universe...

What is the earliest plausible date and circumstances for the US to enter World War II?

Kind of depends on the wider universe...

Is all history as it was up to September, 1939, for instance? The US didn't join the League, the Panay and Hoover incidents didn't lead to an early Pacific War, FDR doesn't get assasnated, etc?

Best,
 
Like, under any possible circumstances? Because several things that increase American involvement in European Affairs or at least entrench US-Allied relations before the war have the potentiality to eliminate the war as we know it. And would involve lots of knock off butterflies.

I mean to have a real blinders-on situation, one could theoretically see the US in the League of Nations in 1920, followed by a re-affirmation of America's relationship with the Anglo-French in the face of economic discussions with Germany and in condemning the Italian invasion of Ethiopia and in promoting an embargo on Spain during the Civil War. On September 1-7th, 1939 the United States Congress in concert with its allies, declares war on Germany.

That of course would require increased US involvement in European affairs to have zero knock-off effects before an identical rise of Hitler and invasion of Poland.

Of course the same thing is theoretically possible, following a German invasion of Czechoslovakia so October 1-7th 1938 might be the winner too.

How could you get US public opinion to support going to war that early?
 

Japhy

Banned
How could you get US public opinion to support going to war that early?

League of nations commitments, PR/press campaigns, an alliance member getting attacked after the US renews things in a bid for peace in the mid 1930's.

Its not how I do it but I was trying to give you a means without any pesky divergences.
 
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