Humble leaders use their expertise, experience and knowledge to bring together people to increase revenue, improve production or efficiency and return to the community. Leaders who are modest use their successes for the common good than for self-extension.
Positive:
The founding of North America
Acquiring of wealth and natural resources
Negative:
The colonialism of Spain and Britain (From native's pov)
Slavery of natives
Led to the Atlantic Slave Trade
Arguably led to the Scramble for Africa
The government’s power comes from the People.
The reasons for the fall of the empire include military overreach, invasion by emboldened tribes of Huns and Visigoths from northern and Central Europe, inflation, corruption and political incompetence