“The Diversity in the faculties of men”. “The protection of these faculties is the first object of government”. the same. “As long as the reason of man continues fallible, and he is at liberty to exercise it, different opinions will be formed.”
Manifest destiny was the reason the US claimed Oregon country.
In Germany, people would refer to it as "Drittes Reich", which is translated in English to "Third Reich" - and I think this is the answer you are looking for, it's very widely used.
Reich means "Empire" , so it could also be translated to the "third empire" but this is not usual.
Well the other guys answer is technically right their a few more details to it. The league of nations was also another attempt to stop further wars between various groups in the world. They didn't want another Holocaust or world war to happen so it made it that all nations would turn on one nation or nations if they did go rogue and attack.