An attachment that indicates that some condition has been met.
Conditions are used by National Objectives and Victory Conditions through triggers, as well as many other uses.
The condition is tested during the attached player's turn.
values: any objectiveAttachment or conditionAttachment, can be any player's attachment
It can be in a delimited list of attachments for an AND relationship. (attachments must have unique names!)
<option name="conditions" value="conditionAttachmentGermans3a:conditionAttachmentBritish3b"/>
Any condition which includes other conditions, is considered a meta-condition, and it must come AFTER any conditions that it includes.