The Latin phrase that usually means that in the court proceeding there was no opponent is "In re"
Uhhhhh.... 960 cubic inches... (this is satire, don’t listen to me.)
Answer:
Elastic Clause
Explanation:
Implied powers come from the Constitution's “Elastic Clause,” which grants Congress power to pass any laws considered “necessary and proper” for effectively exercising its “enumerated” powers
I hope this helps you :)
It started in 1939 and ended in 1945