Answer: B. A community of plants and animals and their physical surroundings
Explanation:
<span>The rule of law is needed to protect against tyranny.</span>
What type of development?
Serfs paid the owner of the land (in the form of labor) to be able to live on the land and have protection, if the serf were to leave. It was usually an unspoken agreement that they serf would stay on the land. If you still need further information you might find some on http://www.thefinertimes.com/Middle-Ages/serfs-in-the-middle-ages.html