Conversation so far:
What happened to the tribe in the early 20th century?
the last Pequot living on the reservation, the federal government started planning to take back the land.
Who was the last Pequot on the reservation?
Elizabeth George.
Was the government successful in taking back the land?
The tribe achieved political success by persuading Congressmen and appropriate committees in making the case for recognition and land claims.

Question: What happened after they won claim to their land?
Self-contained rewrite: What happened after Pequot tribe won claim to their land?