Answer: Tense and Clever
Explanation:
The Adams-Onis Treaty is known as an agreement between Spain and the United States that settled border disputes between those two countries. It was signed in 1819.
As two adjectives that can describe this kind of agreement that had huge key in our history I will use: <em><u>Tense and Clever</u></em>
You can also use adjectives such as: Enormous, Great, Adventurous, Graceful, Alive and more.
As descriptive phrases you can use: effective, circumstantial and more.
One possible advantage is if you hear the characters' voices, they can put much more emotion into the script and give it feeling.