Answer:
Posiden or Hades, Most likey Hades.
Explanation: Hades dwells in his own realm most of the time that being the underworld.
Who led the Solidarity movement in Poland was Lech Walesa, an outspoken electrician. He gave voice to the workers demands for the legislation of independent labour unions
The way you worded the question is a bit odd, but it seems like the answer your looking for is the Japanese Empire.