Answer: B) During the famous battle of Iwo Jima, six Navajo code talkers operated continuously, transmitting each message without a single mistake.
This sentence states that the Navajo code talkers operated continuously during one of the most significant battles of the war. Moreover, not only did they not stop the transmission, but they exchanged all messages without a single mistake. This accomplishment shows that the Navajo code talkers were quick-thinking and precise.
The author's purpose in writing this paragraph is to inform the reader of the reasons for the differences between editions given the fact that the Grimm brothers, specially the younger one, wanted to change and perfect the original tales in their style to a more suitable public regarding literature back then.
