Yes, for treason, bribery, or other high crimes and misdemeanors
Slavery in the United States
Because he tried pushing them out but got killed and the natives pushed out the rest of his men the irony tho
Answer: Yes. This is known as a treaty breach.
If a party has materially violated or breached its treaty obligations, the other parties may invoke this breach as grounds for temporarily suspending their obligations to that party under the treaty. A treaty breach does not automatically suspend or terminate treaty relations, however.