Why were the big old bells removed during WW2?

Why were the big old bells removed during WW2?

The reason is due to the effect they had over the human body such as healing and well being might be the answer.

Of all musical instruments, BELLS are known to have the most healing properties. The sounds of church bells produce a special frequency that is amplified by the building itself, which resonates through all the organs and tissues in our bodies to produce the healing effect.