It depends.
Some people study history to learn about the past, others study history because it's interesting, and some study it to learn from past mistakes.
Industry, Defense, Agriculture, and Science
I believe that they are the following:
1. Monarchs do not have absolute authority.
2. The monarchs must have parliament's consent to suspend laws, levy taxes, or maintain an army.
3. The monarch cannot interfere with parliamentary elections and debates.
4. The people have a right to petition the government and to have a fair and speedy trial by a jury of their peers.
