Long ago, there were special courts. 
Long ago, there were special church courts. 
They looked for people with different ideas. These people were often treated unfairly.
In some places, the courts used force. They wanted people to tell the truth. This made many people afraid.
Some courts were in Spain and Portugal. They were also in other lands. 
Later, many of these courts were closed. People worked to make things better.
The Inquisition was a set of church courts. 
In the 12th century, these courts began in France. They looked for groups like the Cathars. 
These courts used a new way to hold trials. They wanted to find the truth through inquiry. Sometimes, the courts used violence or torture. They did this to make people confess. This made many people feel afraid. 
If a person was found guilty, they faced big punishments. The church would hand them to local leaders. In some places, this meant the person would die. Many historians study these old records today. They learn about the people who lived through it. Most of these courts closed in the early 1800s.
The Inquisition was a special type of court used by the Catholic Church. 
These courts worked differently than older ways of holding trials. In the past, people used trials by ordeal, like combat or fire. The inquisitorial process was a newer way based on Roman law. It used an inquiry to look for facts and evidence. Judges would investigate to see if someone had broken church rules. To convict someone for a major crime, they needed two witnesses. This rule often made judges want to get a confession. 
This system started in the 12th century in the Kingdom of France. 

In Spain and Portugal, the courts often focused on specific groups of people. They looked at New Christians, also called Conversos, who had changed their religion. They also watched the Marranos and the Moriscos. The courts were very large and reached far into the empires. In 1542, a new governing group was made in Rome. This group helped manage the work of the Inquisition. Historians use old records to study these many cases today. 
If a person was found guilty, they faced very serious consequences. The church would hand the person over to local leaders. This was called the "secular arm." Local leaders would then decide on a punishment based on their laws. In some places, this meant the person was burned to death. These punishments were often meant to scare others into following the rules. Most of these courts closed in the early 1800s. Today, the church still has a group for religious doctrine. 
An inquisition was a specific judicial procedure used by the Catholic Church. 
The mechanism of the inquisition was based on the Latin word "inquisitio," meaning inquiry or inquest.
There were several distinct stages and types of inquisition throughout history. The Medieval Inquisition began in the 12th-century Kingdom of France. 
History shows how the scope of these courts changed over time. The Protestant Reformation and the Catholic Counter-Reformation caused the inquisition to grow significantly. In 1542, the Supreme Sacred Congregation of the Roman and Universal Inquisition was created to govern these efforts. 
The significance of the inquisition is seen in the massive scale of its records. 
When a person was found guilty of "unrepentant" heresy, the process moved to a final stage. The inquisition did not carry out the final death sentences itself. Instead, the court handed the convicted person over to the "secular arm." This term refers to the local government or civil authorities. 
Today, the inquisition is studied as a complex part of legal and religious history. Most ecclesiastical inquisition courts were abolished in the early 19th century. This happened following the Napoleonic Wars and the wars of independence in the Americas. However, the papal institution in Rome survived through various changes. It is now part of the Dicastery for the Doctrine of the Faith. Modern historians continue to debate the exact nature of the inquisition. Some argue the scale of violence is often exaggerated in popular myths. Others maintain that the use of force and false accusations was a central part of the system. 
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