Animals have always played important roles in history
...to lots kinds of tools; people used these tools to help their work. So, the society of human developed more quickly. People used the skin of some animals such as tiger, wolf etc. to make clothes, and then they could keep their body warm. Until now, people also use animals¡¯ skin to make expensive clothes. After a long time, people found more and more uses of animals, so the relationship between people and animals changed with domestication, which also began about 12,000 years ago. Instead of being actively hunted, domesticated animals were slowly brought under human control. Some were kept for food or for clothing, others for muscle power, and some simply for companionship. With the developing of society, more and more wars were broken up among the counties because of benefits. Animals were trained to attack the enemies. T...