Another method of encryption of messages is the Substitution cipher text which involves swapping each letter of a plaintext by a different symbol as programmed by the key.
One of the popular ways to <em>decrypt</em> substitution cipher is to <u>follow this steps</u>:
Scan through the cipher, looking for single-letter words.
Count how many times each word or letter appears in the puzzle.
Supplies such as gasoline, butter, sugar and canned milk were rationed because they needed to be diverted to the war effort. War also disrupted trade, limiting the availability of some goods.
