How did the king have its profits?
The king had its profits because of the Danegeld plus some fees and some fines and rents on his states.
Who stood at the centre of government?
The King
What unified the English people?
The Church and the Monarchy
What was "The Witan"?
It was an advisory council selected and summoned by the king formed by most noblemen, plus the bishop. It also served as the highest court of the land.