Because if their names were on the ration books, they'd know that they are Jewish, and Miep would be forced to give their location to the authorities. At the time they would be caught and sent to concentration camps.
Answer:
The royal Flight to Varennes (French: Fuite à Varennes) during the night of 20–21 June 1791 was a significant episode in the French Revolution in which King Louis XVI of France, Queen Marie Antoinette, and their immediate family unsuccessfully attempted to escape from Paris in order to initiate a counter-revolution
The correct answer for the question that is being presented above is this one: "He will consider the opinions of the people, representatives, and diplomats." A major U.S. trade partner has just gone to war with its neighbor. Its leader asks the United States for help. The statement that is true is that He will consider the opinions of the people, representatives, and diplomats.