How did the Navajo code talkers help conclude world war 2?

It helped win World War II. In 1942, 29 Navajo men joined the U.S. Marines and developed an unbreakable code that would be used across the Pacific during World War II. ... The Code Talkers conveyed messages by telephone and radio in their native language, a code that was never broken by the Japanese

Navajo Code Talkers created an unbreakable code.

Explanation:

This is what helped conclude WWII.

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.

your answer would be just capitalism.