Why was the 13th amendment written and what was its purpose

It was written to balance social relations in the country to ensure basic human rights. The purpose of the thirteenth amendment is to abolish slavery.

Explanation:

The Thirteenth Amendment is one of the most famous amendments to the U.S. Constitution in history. This amendment abolished slavery, except in the case of certain legal proceedings when the accused would be prescribed slavery as a punishment for certain offenses. Until that moment, slavery was an integral part of American life. The new amendments to the United States Constitution laid the foundations of American democracy.