How to Use "retrogression" with Example Sentences

1. David shambaugh , a china specialist at george washington university , says that over the past three years there has been a " period of retrogression , where the system cannot seem to take the initiative " .
2. So even if we grant for the moment menger 's argument that the truth will spontaneously triumph in some unspecified long run after all economic errors have finally played themselves out , in the interim , periods of serious scientific retrogression may occur that destroy the economic basis of culture and civilization .
3. In any case , it 's very hard to say whether this is an age of unparalleled progress , or unparalleled retrogression , disintegration , and decadence .
4. The anti-communist die-hards have their idea of unification , they want to unify us into splitting and retrogression .
5. Therefore , there is never a moment of retrogression or deterioration or decline .