Answer:
Pros
He brought a new cultural idea to his people, friends, followers to his new country.
Cons
He would've lost their original heritage in that movement going forward.
Explanation:
About the 9th and 10th Amendments. AMENDMENT IX to the Constitution of the United States: The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people.
Celsius, people in Europe would use Celsius
