The main reason why such a large portion of the population during this time in the United States shifted from rural to urban areas was because industrialization had created many more employment opportunities in the city factories.
The crucial role of Shay's Rebellion in sparking the movement for a new constitution, because the government realized how it was not centralized enough. Shay's Rebellion was essentially a farmer's rebellion where not enough government forces were deployed in rural Springfield, Massachusetts to quell the rebellion. George Washington realized that a stronger government was needed to handle further situations like this.
The answer is The king was an absolute ruler as well as a leading religious official.