Answer:
the improvement in knowledge about medicine
Explanation:
The first branch produces... or (i forgot its name) branch. It makes the law idea. The new law then goes to the approval branch. They either vote it good, or trash it. If it is good, then it goes to the supreme court where the law is checked over by the judges and law members to make sure it follows the constitution. If they approve it, it becomes a law...
The greatest sailor in the ming dynasty was Zheng He cause he improved there ship's and the sailings skills.
Charlemagne restored him and protected him from being driven out again
hope this helps