The long march was a tactic of retreat into the mountains so that they could survive because they were facing elimination.
Strikes can create positive conditions in that: They bring attention to the bad conditions workers faced.
<h3>What are Strikes?</h3>
Strikes also known as industrial action is a situation where worker protest about a certain thing either the working conditions or the workers warfare by not going to work. When workers strike, everybody stays at home. In some circumstances, they barricade or close down the road or gates of the industry.
Strikes help the authorities to focus their attention to the bad working conditions in which workers operate. So option C is correct.
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Because in the south there was more segregation. Also there was more land that had been untouched in the north. The property was also cheaper because of that reason. And since it was untouched a lot of businesses came in to drill for oil and other natural resources, which created the need for workers.