Conversation so far:
What was Osceola's role in the resistance?
Osceola's nearly simultaneous attacks catalyzed the Second Seminole War with the United States.
What is the Treaty of Payne's Landing?
The Treaty of Payne's Landing was an agreement signed on 9 May 1832 between the government of the United States and several chiefs of the Seminole Indians.

Question: Why did they want to remove the Seminole?
Self-contained rewrite: Why did the US government want to remove the Seminole?