Post by Jerry KrausOne of the topics that historians speculate about, from time to time,
Yes, in fact it has been done many times. I'm glad you noticed my reply to
your assumption of a waltzing French advance onto Berlin in another thread.
Post by Jerry Krausis what would have happened if the French, upon declaring war on Nazi
Germany for their invasion of Poland, had actually decided to fight
the Germans. It is rather unusual to declare war on a nation, while
it is invading an ally, and do absolutely nothing, as was largely the
case until the Germans crushed France almost a year later.
"Absolutely" and "largely" are in contradiction. The French invaded
Germany - a little bit of it. This is doing "largely nothing" - it is not
doing "absolutely nothing".
That said, it is not all that unusual. When Iraq invaded Kuwait, a large
Coalition did largely nothing for months, until it was ready. During the
Napoleonic wars, Britain did largely nothing for years, while its allies
were overrun.
While
Post by Jerry KrausGermany did possess a more powerful military than France at the time,
most of it was clearly occupied in crushing the Poles, to the east.
What would have happened, if the French had mobilized as quickly as
possible,
They did mobilize as quickly as it was possible for their army under their
current organization.
thrust into Germany with infantry and armor, and attempted
Post by Jerry Krausto do as much damage, and take as much territory, as they possibly
could?
How would this have affected Germany's invasion of Poland?
How much of Germany would France have taken? How far into Germany
would they have got?
What would have been the Soviet Union's response, bearing in mind the
Russo-German non-aggression pact?
1. Simple, fear of armed conflict?
2. Communist influence in France?
3. Fear of a combined Russo-German counterattack?
The French could not have attacked before they did. Their army and their
plans were geared for the defense. The Maginot Line and the advantages of
defense over offense were what they had learned from WWI, and BTW, the
Maginot sucked a lot of their military budget. They would have been very
capable of _defending_ "immediately", not of attacking. They still carried
out a much smaller attack than what they could have done, and did not push
it as much as they could have done. There were several reasons for this
apart from this defensive mentality. They expected they would have taken
much heavier losses; they expected the Poles would not fall so quickly; they
faced German air superiority (most of the single-engine fighters were there
on the Western border by September 5); and after having dithered for these
reasons, they were taken aback by the Soviet move, that sealed the Polish
fate.
That said, if they had pushed more, they would have achieved little of
consequence. The frontage was short and cramped, so that if they had wanted
to send all of their divisions on the attack, they could simply not have fed
their logistical tails. The terrain was ideal for the defense (it wasn't for
nothing that the border was there); and it was fortified. The Germans had
sent most of their forces East, but by no means all of them.
And even if the French had ignored all that as well as the heavy losses they
would have taken by insisting in these conditions, they would not have gone
far for the very simple reasons that they were no Blitzkrieg-makers (let
alone the fact that even the Germans' Blitz, eventually, did not attack
across that terrain and against the Maginot). Their offensive would have
gone at the speed of the infantryman, tanks being seen as a supporting
weapon for him.
Assuming they started an all-out offensive on September 7, in ten days they
would have taken most of the Saar (I can explain later why not to advance to
the North or South of it, unless you prefer to look at a map yourself), and
possibly a bit of Pfalz. Even today, that is not a densely populated area
thick with industries, it's woods and national parks. They would probably
have taken Kaiserslautern, the biggest city in the region, with a very
serious full-fledged battle under enemy air superiority. That would have
probably been the real best scenario.
At which point... September 17... we know what happened on the Polish
eastern border.
Would such a slightly more successful French advance deter the Soviets?
Difficult to say. In OTL, by the time the Soviets moved, the French had
invanded and had taken a few kms. Then they had stopped. In this ATL, they
will not have taken that many more kms - but they'd still be moving, albeit
slowly. It is possible the Soviets wait it out a bit more, to see if the
Germans manage to stop the French. I don't think they'd wait a whole lot
more, because already as it was in OTL, the Germans had to move back in
places, and Stalin would not rely on that.
And the Germans _would_ have stopped the French. Even assuming no Soviet
invasion, by September 15 they can certainly start redeploying West, using
their inner lines and excellent railways. That would leave the end of the
Polish campaign a bit prolonged and way untidier, but would not save the
Poles, regardless of any Soviet timidity.
Are there any other reasons apart from the abov efor the French not to
attack? Certainly. They thought that any war would be for the long haul,
like WWI, which suited them fine because they (and the British) were playing
catch-up with the Germans as to military readiness. They were behind on the
armaments curve, but the combined output of France and Britain should have
helped them in reaching the German spending and readiness. Time was on their
side, they thought. Note that Hitler was of the same opinion (he wanted to
attack France in November!). They were sure the Germans would have to attack
them (and again they were right). They believed they could easily win such a
defensive campaign (and here they were wrong), bleeding the Germans white,
while the British choked their trade on the seas, and attacking them at
leisure, in 1940 or even 1941.
The Communist influence was there but it was largely irrelevant in September
1939. The French Communists themselves had been taken by surprise by the
Pact with the devil, and you don't readjust the propaganda and influence the
workers in 15 days. If it had any weight, that would be months later.
A fear of a joint Soviet-German counterattack is of course off the wall.