A monarchy is ruled by a single person, and the position is passed down from the same family, the crown or leadership is passed down through family members. When the monarch dies or abdicates the throne, it is usually passed down to their oldest child. A monarchy is obtained through passing of the crown, whereas a dictatorship is taken through force.
the division of Frankish lands among male members of the Carolingian dynasty was one of the main causes for its downfall because it led to fragmentation of Charlemagne's empire.
The United States changed in many ways after World War II, such as by developing a greater desire for consumer goods, seeing itself and being seen by others as a superpower, and becoming more involved in European affairs.