This explains why Abe has been hell-bent on reinterpreting Japan's pacifist Constitution and claiming the right to carry out rescue missions abroad to help its embattled allies. In other words, Abe is keen on changing the neutral diplomatic position which Japan has been following over the past seven decades. In particular, he seeks a much more robust defense posture for Japan, especially in the face of rising China.

Abe's Middle East policy reflects the same slant. Compared with his predecessors, Abe has been visiting more countries, more frequently, in Latin America, Africa, Europe and Asia. The $200-million aid he promised to countries fighting the IS accounts for only a small portion of his $2.5 billion support for Middle East countries affected by terrorism- and civil war-related conflicts. Three days after Abe committed to the aid, the IS released the video threatening to kill the Japanese hostages because Japan had given money to countries to kill their women and children.

The tragic end of the hostage crisis has threatened the safety of Japanese nationals traveling or working overseas, because they could become easy targets of terrorists. The killing of two innocent hostages can prompt Japanese people to either put enough pressure on Abe to change his diplomatic policy or support his diplomatic thrust to deploy troops overseas.

In all likelihood, the Abe administration will exploit international sympathy for the country's loss and condemnation of the IS to implement its security policy. Abe can get any bills passed - including the one to allow the Self-Defense Forces to fight overseas on the pretext of protecting Japanese nationals - because of the huge majority his Liberal Democratic Party enjoys in the lower house of the parliament. He can also put the right of collective self-defense and revision of Japan's pacifist Constitution high on the government's agenda.

Yet the most urgent task for the Abe administration should be to revive Japan's economy if it really wants to expand the operational scope of the country's Self-Defense Forces.

The author is a professor of Japanese studies at Peking University.