Explanation: Opinion, if it was a fact, it would have some statistical information
The definition of monarchy is a form of government with a monarch at the head. So this usually means someone of royal decent is ruling it.
Napoleon lost power due to his failed major military campaigns. He tried to split his army to fight in two different fronts. He also retreated back to Paris after a crushing defeat.
1.) its about "generational change" years we are able to enhance out studies and engange to more advance learning in discoveries
2.) socio-economic and environmental influences probabbly could affect (there are more and further explanation bout this)
3.) basically "past ideas" are the our main root of the principles and manners today so these ideas are not exactly different it is just innovated and enhanced
survival of the fittest, in other words the Darwinian evolutionary theory. hope this helps!