Soviet Union would have been a member of NATO if they had not been denied access.
Answer:
Well, it will always be important but I suppose it's because it hasn't stopped and I personally doubt it will any time soon. The wrongful incarcerations are still an issue because it can ruin someone's career and life.
Explanation:
The idea of manifest destiny greatly helped shape the U.S. governments's policies of land acquisition, since this held that the US was "destined" to expand from the Atlantic Ocean to the Pacific--meaning that the US embarked on a series of wars with Mexico and confrontations with Natives that helped the settlers move west.