B bravozulu New member Jul 10, 2009 #2 1. Starvation. They had to ensure enough food for their populations. 2. Conquest. They had to protect themselves from their neighbors. 3. Government. They had to make rules to control the population.
1. Starvation. They had to ensure enough food for their populations. 2. Conquest. They had to protect themselves from their neighbors. 3. Government. They had to make rules to control the population.