Some were cotton, silk, and porcelain objects (African imports).
Other items included spices, incense, and ivory.
They were strongly supported by all of the founders of the constitution.
Many knights were professional warriors who served in the lord's army. ... In return, the lord provided the knight with lodging, food, armor, weapons, horses and money. Peasants, or serfs, farmed the land and provided the vassal or lord with wealth in the form of food and products.