The big change that Isaac will MOST likely face that month is B.Isaac will no longer go to school with his friends.
After 1939, the Nazi discrimination of the Jews in Germany would intensify and this would only get worse as more countries were defeated by the German army.
For Isaac however, the biggest change he would have faced is being pulled from school where he would no longer be able to go with his friends as Jews were being excluded from public life.
Find out more on Nazi treatment of Jews at https://brainly.com/question/10413542
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