Answer: Gold rush
Explanation: in 1848 james w. Marshall found gold at sutters mill in coloma, California The news of gold brought approx 300,000 people to California(aka Western frontier) from The rest of the United States and abroad. Including immigrants
Planted grass so dust couldn't go even where
I was walking home one day and there was a small lake with tons of trash and waste piled into a corner to the edge. I wondered why there was so much and when you look in it, there are fish stuck inside of plastic containers. Thus obviously is very harmful and hurts our environment, also solving this by throwing away any waste you may find.
Thats the answer to your answer
