Answer: What motivated them is the fact that they saw all of their land being taken and decided they had enough and started independence movements. Another reason why is due to their culture also being lost due to the influence of European powers.
Explanation:
The temples that Shotoku built also were educational centers and places that helped provide for public welfare. Shotoku's rule in Japan (from 593-622) was aimed at creating a harmonious society, not only by establishing Buddhism as the state religion but also by pursuing intellectual learning and a system of law and ethics.