[Gandalf Parker]

Province Defence is militia. They are the farmers and bakers and blacksmiths running out to defend their province. They are untrained, no formations, rabble that charges the enemy. They dont show up because they arent an "army" until attacked. And even then they arent much of one.

But they can hold off many events. They can spot scouts and spies and seducers and assassins moving thru your area. They dont need monthly upkeep charges. And they dont get used up as long as you own the province no matter how many times they fight.

Always get at least one point in PD. That gives you a commander that can at least tell you who attacked if someone takes the province from you. Otherwise you get no report.