The third answer is the correct statement
Http://www.ushistory.org/us/59e.asp
this goes in more detail but basically Mikhail assumed his power on the soviet union he wanted to make the place a little more than it was when he conquered
Vast flat areas does NOT describe the land of the Czech Republic.
Answer:
It's just an island, it can't have a measureable impact on the environment within a hundred years.
