According to the Cambridge and Merriam-Webster dictionaries, a person who takes power by force and rules with total authority is a dictator. A dictator is not elected by the people, and extends his powers into the private lives of the people. He usually enjoys a cult of personality throughout the nation. An example of dictator would be Hitler in Germany between 1933 and 1945.
You should bear in mind that there are two other words which could fit this definiton, with some nuance:
- if this ruler uses its unlimited power unfairly and/or cruelly, it is a tyrant;
- if this ruler came to power through elections which he rigged, and simply rules without any political opposition, it is an autocrat.
The Underground Railroad was a complex network of secret routes that slaves traveled to get to freedom. Along the way, there were houses known as "safe houses". They were operated by free people, abolitionists, and Quakers. Without these people, the Umderground Railroad would habe never worked and slaves wouldn't have found freedom.
It crease to exist because he was meant to be born in this world.
- they were using violence to reign
- huge military resources
- used religion to establish their positions as rulers
