(a) All persons named in the information referred to in section 123 of this title may appear and answer or deny the facts stated at any time before the time for answering expires; and any other person claiming an interest in such estate may appear and be made a defendant by motion for that purpose in open court within the time allowed for answering; and if no person appears and answers within the time, then judgment shall be rendered that this territory is the owner of the property in such information claimed.
(b) If any person appears and denies the title set up by this territory, or denies any material fact set forth in the information, the issue of fact must be tried as issues of facts are tried in civil actions. If, after the issues are tried, it appears from the facts found or admitted that this territory has good title to the property in the information mentioned, or any part thereof, judgment shall be rendered that this territory is the owner and entitled to the possession thereof, and that it recover costs of action against the defendants who have appeared and answered.