I believe it is the Mexico's main crops include grains such as corn and wheat, tropical fruits and various vegetables.
The body of water that is between the main island or mass of Asia and Japan is the Korea Strait. However, other bodies of water may also be crossed. These include Sea of Japan (East Sea) or East China Sea really depending on the portion of mainland Asia someone is coming from to reach Japan.
Less nutritious food, dramatic change in temperatures around the world, the rising of sea levels and extreme weather events