Answer:
What was Commodore Perry's significant contribution to the beginning of Japan's transformation? He opened Japan to the West. Which similar challenge did China and Japan face following the Sino-Japanese War? Their isolation left them far behind Europe.
Emperor - the supreme ruler of an empire
Shogun - a title for a military ruler in Japan
Bakufu- governments that ruled Japan from 1192-1868, also known as Shogunate.
Jito - land stewards appointed by the shogunate during Feudal Japan.
Shugo - a title translated as protector which was given to certain officials in Feudal Japan
Shoen - a field or manor in Feudal Japan
Samurai - a member of the Japanese warrior caste
The Warring States Period - A long period of Civil War from 1467 to 1615 in the Sengoku Period.
Daimyo - wealthy landowners in Feudal Japan.
If you are talking about WW1, then the 3 factors are the Zimmerman Telegram, The sinking of the Lusitania, and economic interests
Contain the spread of communism