Why was the Japanese not able to crack US codes during the war?

On June 4, 1942, after a fierce three-day battle, U.S. pilots sank all four Japanese aircraft carriers in Yamamoto's task force, effectively turning the tide in the Pacific.

Explanation:

ㄒɦĄŊĸ ĦØφĒ ĮŤ ɧėŁP ♡✧♡

Its because the code they used was one of the hardest language which was navajo

Fun fact: I am Navajo

the above statement/question is (true);

answer; the government can clearly justify the restriction;