Japan has protected itself post-WWII mainly through the presence of U.S. military bases and by establishing its Self-Defense Forces. The police and civil defense systems also contribute to maintaining order and public safety. Together, these strategies effectively safeguard Japan's national security despite its limited military capabilities. ;
Japan has protected itself post-WWII mainly through U.S. military bases, its Self-Defense Forces, and civil defense mechanisms. This multi-faceted approach allows Japan to maintain security despite its pacifist constitution. The correct choice for the question is C: US military bases in Japan provide protection.
;