Editing Preemptive war (section)

=====Walzer's three elements=====
Professor Mark R. Amstutz, citing [[Michael Walzer]], adopted a similar but slightly-varied set of criteria and noted three factors to evaluate the justification of a preemptive strike.<ref>Mark R. Amstutz, ''[https://archive.org/details/internationaleth0000amst_w8u3/page/122 <!-- quote=preemptive "six day war". --> International Ethics: Concepts, Theories, and Cases in Global Politics]''</ref>
# The existence of an intention to injure;
# The undertaking of military preparations that increase the level of danger; and
# The need to act immediately because of a higher degree of risk.