Because they cause a lot of damage like making driving hard, taking down trees, can be very unhealthy to breathe and more. Dust storms were caused by economic and agricultural factor.
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Labor Union is an organized association of workers, often in a trade or profession, formed to protect and further their rights and interests.
You dont need to figure out anything You just have to think
Massive class inequality. Nobles and Clergymen were, in the French citizen's eyes, wasting money to fuel their lavish life style. They believed the 1% were living off the other 99% and they were right. France had a huge economic downfall after supporting the American Revolution so the citizens thought it unfair that the problem the government caused should be forced on them alone.