Explore

Exploring is a way for a province to grow. In order to explore, one must have the acres available in their growth pool as well as meet the following the conditions:
 * At least 50% of existing acres must be built upon or undergoing construction.
 * Provinces can not explore more than their current acres at once.
 * During war, exploration costs are increased to 500% during active war and end of war cease-fire (or 250% during end of war cease-fire for provinces below kingdom median, including incoming explored acres).

Explore Pool
The Explore Pool has the following details:
 * Starts at 200 acres at the start of the age
 * It grows by 3 acres a tick
 * It will decay by .15% a tick
 * When a war ends, a provision of additional land is added when to each province's explore pool for both kingdoms