 Complete the following phrase:  The Despenser family, in particular Hugh Despenser the Younger, became close friends and advisers to Edward, but Lancaster and many of the barons seized the Despensers lands in 1321, and forced the king to exile them. In response, Edward led a short military campaign, capturing and executing Lancaster. Edward and the Despensers strengthened their grip on power, formally revoking the 1311 reforms, executing their enemies and confiscating estates. Unable to make progress in Scotland, Edward finally signed a truce with Bruce. Opposition to the regime grew, and when Isabella was sent to France to negotiate a peace treaty in 1325, she turned against Edward and refused to return. Instead, she allied herself with the exiled Roger Mortimer, and 