Since The United States Corporation ignorance is being put in notables

Dictionary usage should be taught in school again

Here are examples from:

8th Congress1804

10th Congress1808

17th Congress1822

https://www.govtrack.us/congress/bills/

Also included precise wording from Act of 1871 …a body corporate..

Corporate

2:of, relating to, or formed into a unified body of individuals

https://www.merriam-webster.com/dictionary/corporate