Answer:
They have helped nearby societies because they provided them with a sufficient and reliable water source. This allows them to get enough drinking water and allow them to easily grow their agriculture.
I think B is the most accurate answer because knowing the daily weather forecast can help you pick a reasonable outfit for a cold or hot day
Armed conflict between the United States and the Soviet Union that led to the breakup of the Soviet Union.
The southern part of the United States is heavily influenced by the sea/ocean and the wind patters that occur because of it. The warm waters that surround the region are making it more stable temperature-wise and the weather is warm and wet for big portions of the year. The precipitation is high as well. But this also brings in problems in the shape of the hurricanes, tornadoes, intense big rainstorms, and floods.
The answer is A. colors and symbols because legends are basically there showing you what all the things on the map represent.