Answer:
So they can understand what is in the soil and how it changes
On the day in 1775, George Washington, who would one day become the first American president, except an assignment to lead the continental army
Monsoons may cause destruction in other areas, but in certain places, they can help to fertilize the soil, hence making the farming better. I have forgotten what it is they carry, but if anyone would like to comment on that, or maybe you can try google.
About three fourths if I’m not mistaken.