A. Japan was isolated from Europe. Im pretty sure because japan was isolated for a long time.
I believe the answer is C. Without cars people had less ways to get to work and having automobiles helped with this making it more common for people to live farther from there jobs.
I hope this helps.
You lost power because:
1. There was construction in your neighborhood
2. A spark blew
3. There was a storm
4. A tree fell
5. A car crashed
6. A wild animal did it
More than 40, 000 civilians were killed.