One cannot say seventy years later what should have happened: The US did what it could at the time.
Please see the related questions.
What needs to be done is both the lessening and removal of some CO2 and other 'greenhouse gasses' in our atmosphere .
i forget
Other countries, especially America, did absolutely nothing!
You can't.
When the Vehicle does the resting motion. and @ stop signs and stop lights
Talk to a psychologist about how you can't stop cutting yourself. He can help you. If you have a good friend, talk to them. Surely they can help you in getting your problem done and over with.
stop
Nobody needs help to stop. It is a non-addictive substance.
Stop cutting trees
Anne Frank didn't stop the Holocaust. She just made a diary on the thing. The Allies stopped the Holocaust. Anne Frank was just a teenager during the Holocaust. She could not have stopped it. The above answer is correct. See link below for more information.
The Holocaust was not the fault of the US! It is sometimes said that the US and their Allies did not do much (or anything) to stop the Holocaust. See the related question.