Complex sentence: A supplementary act was attached to this bill which provided for the sale of millions of acres of land to four private land speculation companies, an infamous agreement that came to be known as the Yazoo Land Fraud.
Split into simpler sentences: A supplementary act attached to the bill provided for the sale of millions of acres of land to four private land speculation companies. The infamous political agreement and supplemental act came to be known as the Yazoo Land Fraud.