The main way dramatic tension is built is the clues that Boo gives, making him interesting, but it can also be frightening.
Also, the incidents that pop up in the story also builds up dramatic tension.
Look everyone the answer is
B) To validate the history of the Kiowa people
1. Germanic Consonant Shift
2. runic symbols
3. guttural
4. dialect
5. phonetic
6. orthography