SpitfireIX
Philosopher
I believe the U.S. hit Japan too hard by imposing the oil embargo (and a similar embargo on other raw materials, plus closing the Panama canal to Japanese ships). It would have been better to raise the price of oil exports by 20% using an export tax, and to give the proceeds of such a tax to freedom fighters in China (while urging dialogue and negotiations).
As has been explained to you by multiple people, the US was not going to amend the Constitution just so that an export duty could have been imposed on oil sold to Japan, so that's a non-starter. Further, as I have also explained, and you ignored as usual, the US was already providing China with far more military assistance than such a duty could have funded. Previously, you proposed a 100% export duty; your new proposed 20% would have obviously generated far less revenue. Prior to the embargo, Japan was purchasing around 20 million barrels per year, and the price of oil averaged less than $1.50 per barrel. So even your 100% duty, which the Japanese could not possibly have paid for any significant period of time, would have raised less than 30 million dollars a year. But by mid-1941 the US had already provided or earmarked nearly 200 million dollars in military assistance for China.
Sorry, I never wrote such a thing. I believe, though, that the UK and France shouldn't have declared war on (and attacked) Germany in September 1939. This raised the general level of anger and violence, they (UK and France) lost the first part of the war, and several countries were occupied as a result of this decision (we also know what happened later).
What Little 10 Toes said.
They could (for example) have limited themselves to accepting a large number of Polish refugees (including Jewish ones) on their soils, in order to provide some assistance to Poland.
First, exactly how would this have helped occupied Poland? Second, how would these refugees have reached France and Britain?