because they want to scare people
Yes, since Tokugawa Iemitsu, shogun from 1623-41closed Japan to all foreigners and prevented Japanese from leaving.
no one is leaving
because of all of the smog (pollution)
LA.
For the same reason that it appears black: The dyes in the fabric absorb all of the radiation that hits the shirt, and none bounces off. That's why no light reflects from it, leaving it black, and that's why no heat reflects from it, leaving it hot inside.
Japan's isolation policy was fully implemented by Tokugawa Iemitsu, the grandson of Ievasu and shogun from 1623 to 1641. He issued edicts that essentially closed Japan to all foreigners and prevented Japanese from leaving. http://www.wfu.edu/~watts/w03_Japancl.html
This depends on where you are leaving from, please be more specific
Leaving the country in the black means that there was no national debt, but a surplus.
They only wore all black on night missions. It's so you couldn't see them. During the day, they'd dress like normal citizens in Japan.
Black Life in Japan - 2004 was released on: USA: April 2004
The water was most likely black because it was carrying a lot of sediment. Much of the rock in Japan is basalt, which is usually black.
cats can be black