Question

What factor contributed to the development of Japan's feudal system?

A. The central government became weak and lost power.
B. China’s Han dynasty took control and formed the new structure.
C. An increase in trade led to a need for a new system
D.The Mongol invasion established a new government that created the system.

Answer 1

The emperor began to lose power in a series of wars. That's what caused it.

Answer 2

There is the single factor contributing in the development of the Japan's feudal movement. In the process, the emperor stasrted losing power by participating in the series of wars.

This is the real cause for the feudal movement in Japan. Continuous participation in the battle made the king feel endangered. He started losing strength and was defeated continuously in Japan.