17~(th)-century Puritanism was the basis of the American national mythology and national identity, but Puritan extremism causes the ontological and epistemological crises, which Hawthorne s writings attempt to save.

On the Imperilment Engendered by Religious Extremism to National Security;

However, the clamor caused by the religious extremism not only imposes serious threats on regional security and stability, but obstacles on the harmonious development of Central Asia integration.

After 9·11 attack, the US has been trying to transform the Islam world democratically, which is the result of the direct opposition between US religious extremism and the Islam ext.

The religion extremism has greatly restricted the development of the society today.

But there exist a series of problems with this new technology,such as the relative separation of information among people,lack of common interest,and seeds of extremism brought by the new technology.

Puritanism and the Masquerade:Nathaniel Hawthorne s Early Religious Thoughts;

On Nathaniel Hawthorne s Puritanism perspective——Analysis of Brown s death in Young Goodman Brown;

The Influence of Puritanism on Hawthorne s Works;

International safety dilemma has multiplex structural dimension such as imbalance,extreme of religionism and nationalism,terrorism.