Which of the following does not show how a settlement uses resources to build a civilization? a) irrigating crops led to the ability of a settlement to specialize in other jobs besides farming. b) metalworking made stronger tools and led to the ability of a settlement to improve its military might. c) worshipping gods led to the sacrifice of animals to gain favor and power of the priests. d) building public works improved a settlement's defenses to prevent an attack or a loss.