The Art of War

How can I research new units? How do I defend myself? How do I get units? How do I recruit a Nobleman? How do I Support others? How do I take over a village? How does Attacking work? How does Speed work? What are those Barbarian villages? What does Scouting do? What does the Wall do? What happens if I'm being conquered? What is a Catapult unit? What is a First Church and a Church? What is a Paladin? What is Luck and what does it affect? What is Morale and what does it do? What is my Basic defense? What is Sleep mode? What is the Loyalty of a village? What is the Night Bonus? What is the Simulator and what can it do? Which units can I recruit?