North Korea has a closer relationship with China because both of those countries have, at some point in their history, implemented a communist regime. Also, during the Korean war, the United States were very involved which could cause a feeling of animosity between the U.S. and North Korea.
Answer:
B. The rivers in both regions flooded unpredictably.
Some of the effects were 1 new plants were discovered
2 most of the native americans were killed
3 the lands were renamed
The factor that effects the maximum range is Altitude