I'm pretty sure its disease. Disease wiped out many families at this time. Is there a multiple choice? i may be able to help you better then.
If the citizens were not required to serve on jury, we had to rely solely on government decision to establish the law.
This actually had a lot of negative outcomes. Such as the people could no longer held the power in lawmaking process which cause government could do whatever they like.
Villages lost many skilled members of the community.
hope it helps
