t when you originally intended to invade a different one and were already half way there.
</li>
</ul>

<p>
The saving of data does not happen by special function calls but by an incremental backup of some data items that is automatically done every turn. These items are:
</p>

<ul>
<li>
Unit.Status - a 32 bit value per unit
</li>
<li>
Model.Status - a 32 bit value per model
</li>
<li>
City.Status - a 32 bit value per city
</li>
<li>
ForeignCity.Status - a 32 bit value per foreign city
</li>
<li>
Empire.Pers