Territory — Acquisition of Territorial Sovereignty — Continued and Peaceful Possession — Conditions of Occupation Creating Title — Absence of Adverse Claims — Extent of Occupation — Intention — Actual Exercise of Sovereignty — Relevancy of Legislation — Conquest and Abandonment — Treaties as Evidence of Undisputed Sovereignty — Meaning of Geographical Terms — Burden of Proof — Admissions in the Course of Diplomatic Negotiations — Treaties Containing Reservations as to a Disputed Right — Renunciation — Estoppel as the Result of Treaties — Declarations by a Foreign Minister — Binding Force of.