24. Why did Anne Frank’s book start becoming very popular in 1955?

It became popular after it was adapted for the stage in 1955.

Explanation:

The play was staged in many other countries as well, including the Netherlands. In Germany, the play made a deep impression, and more than 2 million people came to see it. In Germany – and in many other countries – the diary became better known because of the play.

the government closely monitored its finances to avoid another financial collapse.