I'm guessing that the answer is droughts? i'm not really sure...
That region has inland rivers and ports that facilitates trade and distribution of goods, along with proximity to lumber and agricultural goods.
Answer:
Latitude
Explanation:
Because latitude are lines in a numerical way to measure how far north or south of the equator a place is located. So it is NOT a climate of a region... if that makes sense lol.
For number 17, the city with the highest polulation density is Tokyo. Most of Japan's people live there.