Answer:
Used an uncrackable code
Explanation:
The Navajo code talkers were part of the marines communications units and used their native language (Navajo) to create messages that were unable to be deciphered.
Either Salem Massachusetts or Salem North Carolina.
Answer:
The rule of four is a Supreme Court of the United States practice that permits four of the nine justices to grant a writ of certiorari. This is done specifically to prevent a majority of the Court from controlling the Court's docket.
Explanation: