I did a little research on the various American Neutrality Acts and how they may have had a bearing on the original topic.
Without writing a dissertation and boring everyone, the whole sequence worked like this…
It’s said that generals alway prepare to fight the last war. Sometimes polititians do as well. As the world in the 1930’s began to heat up the US Congress was trying to prevent a repetition of the chain of events that got the United States involved in World War One, so various Neutrality Acts were passed.
The first in 1935 prohibited the United States from selling munitions to ANY belligerant nations. In 1936 an addition was passed that also prevented loans to belligerant nations.
The 1937 Neutrality Act extended the provisions of the first two acts to civil wars, and also gave the president discretionary authority to restrict NON-munition sales to belligerant nations to a “cash and carry” basis. That meant belligerants had to pay in advance for goods and export them on their own ships.
After the European war started the 1939 Neutrality Act banned American ships from carrying goods to belligerant ports, but allowed the US to sell munitions on a “cash and carry” basis.
Then came the Lend-Lease Act of March 1941. This permitted the president to “sell, transfer title to, exchange, lease, lend, or otherwise dispose of” any defense articles to “any country whose defense the President deems vital to the defense of the United States.”
With no doubt as to who the “good guys” were the Neutrality Acts were repealed on November 13, 1941.
How did this effect railroad operations into and out of Canada after September 3d, 1939 when the British Empire declared war on Nazi Germany? I’m going to stick my neck waaaaay out and say it was probably business as usual, unless there were munitions on the American trains, which weren&#