"Sumerian city-states fought each other" would be the best option from the list, since this internal division led to a collapse of power that left people without protection or a solid economy.
<span>Given a chance to grow on either a recipe of nutrient agar or macconkey agar, and organism would thrive much better with the nutrient agar. Nutrient agar contains beef extract, giving the organism better nutrition for growth and cell reproduction.</span>
Proponents of this concept interpret these passages as specifying five separate crowns, these being the Crown of Life; the Incorruptible Crown; the Crown of Righteousness; the Crown of Glory; and the Crown of Exultation.
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.
