Question

encryption

• encryption was also used during the war. encryption converts words and information into unreadable text.
• encrypted messages can only be read through the use of a code. this allowed for secret communication and the protection of important information during world war ii.
• today, encryption is used for the security of private information, such as that held at banks.

what was encryption used for during world war ii?
advancing aviation detection
mass communication
protecting important information

Explanation:

The text states that during World War II, encrypted messages could only be read with a code, allowing for secret communication and protection of important information. This directly supports the option "protecting important information."

Answer:

C. protecting important information