When the United States was involved in World War II, members of the Navajo Nation made a major contribution to the Allied victory. The Navajo language, which is difficult to learn, was used as a code to transmit military messages. Navajo code talkers enabled Allies forces to communicate more securely than ever before, greatly helping to win the war.

Which of the following best summarizes the paragraph?

a)During World War II, Navajo code talkers used their language as a means of transmitting messages, contributing to the Allied victory

b)The code enabled Allied communication to be extremely secure.

c) The military code was based on the Navajo language, which is difficult to learn and helped win World War II.

d) The Navajo people were involved in World War II.