The Navajo code, which was not really a new code, was used during WWII.
The Navajo code could not be deciphered because it wasn't a code at all it was the native language of the Navajo.
To score a perfect game you need to roll 12 strikes in a row.
She repeats it to lessen the connotative power of the word because her audience has ignorant people. She's suggesting that oppressive and superficial description are irrelevant to a person's personality.
Answer:
The word wampum means white shell in the Algonquian language family spoken by the Narragansett people of Rhode Island and the Wampanoag people of Massachusetts. Wampum belts are made of white and purple beads, the white beads from the whelk shell, and the purple from the quahog shell.
Hope it helps.