Diplomacy The art of working out deals between nations, and of persuading them to join our empire. Requires: Empire. Level 23. Allows: Advanced Espionage, Master Diplomat Duration: Permanent Acquisition: Research Bonuses General 3 Persuasion 8 Motivation 6 Weapon Ambassador Highly skilled diplomats backed up by a mighty military force, seeking to convince territories that joining us is in their best interest. Weapon Bonuses Persuasion 18