he Empire class has to implement concern negotiation. The first is <i>OnChanceToNegotiate</i>, which lets you decide whether to start a negotiation or not. This method is called at three occasions, indicated by the <i>situation</i> parameter of the method:
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in the beginning of your turn (before OnTurn()) for each nation that you could contact, situation is <i>BeginOfTurn</i>
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in the end of your turn (after OnTurn()) for each nation that you could contact, situation is <i>EndOfTurn</