United States
Chat with our AI personalities
axis countries must give up completely
Countries do accept mail from other countries with foreign postage. In fact, it is the standard practice. If you go to a US Post Office to mail a letter or package to another country, then you will pay in US currency for US postage what the US Post Office charges to send it overseas. Likewise people in other countries pay in their local currency for their national postage to mail things to the US.
It depends on what you mean by involved. Some Jews from Vichy controlled French North Africa were handed over to the Nazis, but apart from that active involvement did not extend beyond Europe. However, it you include countries that refused to accept refugees, then one can make out a case to the effect that most countries were in some sense involved by default.
who did not accept the marshall plan
The voyage of the St Louis (May-June 1939) has no bearing on World War 2. It vivdily illustrates the reluctance of other countries to accept refugees from Nazi Germany.