china became a country in 1546
it just is man
Japan .
it became a democratic government in 1956
approximatly 400AD
japan
1398
Became a neutral country.
19 July 1949
Shintoism became Japan's main religion before.
After its isolationism, Japan became an imperialist country. Japanese citizens who left Japan were banned from returning. Japanese citizens were not allowed to leave the country.
It depends what time period you're talking about.