This can also be seen in another way.
By this period in WW2 the UK had no allies still in combat, it stood alone against both Japan and Germany. Actually Russia had only recently been attacked and was in full headlong retreat, and it looked very much as if Germany would knock Russia out of the war.
In this climate, we could have readily signed a treaty with Germany, Lord Halifax and a significant protion of the UK parliament was in favour of this, since no-one was exactly rushing to our aid.
When Churchill originally said ‘No surrender’, this was in the face of insurmountable odds, there was no certainty that anyone would happen along and take up the fight.
This was also the day that guarunteed freedom across the world, make no mistake.
The British bought the time.
The Russians paid for it in blood
The Americans paid for it in money.
The British were the process of the longest retreat in history, right back to the borders of India. Once they had regrouped, they followed it by the longest adavnce in history, but it would not have been possible without the bombing of Pearl Harbour.
Americans may look on this as a day of infamy, you should look upon it as the day that freedom began, a process that culminated in the fall of the Berlin wall, and its America that made it happen.