Question: Squire Cheyney Farm is a historic farm and national historic district located in Thornbury Township, Chester County, Pennsylvania, Thomas "Squire" Cheyney, was later appointed to the Pennsylvania Ratifying Convention to ratify the United States Constitution, the supreme law of which country?
Sentence (from "United States Constitution"): Article Seven establishes the procedure subsequently used by the thirteen States to ratify it.
Relevant evidence: No