If a government doesn't have definite laws, the people may abuse the amount of freedom they have. The code of Hammurabi says that "what you do to someone, will happen to you too" (eye for an eye) kept the citizens in the area safe because they knew there would be serious consequences to what they might do to others.
Yes he did hope it helps cause I'm not really sure
<span>While many believed that Native Americans were truly their greatest threat, in reality, it was the simple and mundane things like disease and accidents that did the most damage to the travelers. The fact that they traveled so closely together (and without the help of proper modern medicine) it was easier to get sick and without the ability to heal, eventually die from simple diseases such as the common cold. Other ways pioneers could be injured is by buggy turnovers on the steeper areas of hills and mountains which had more of a rocky flooring.</span>
Jamestown was important because it was the first successful English colony in North America.
Source and more information:
http://www.dailypress.com/news/dp-25282sy0may06-story.html
I hope this helps!