Please help, do either one asap
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What were 3 advantages to rail road growth

In an industry in which there are several providers of a type of good, why can one business not charge much higher prices for their goods?

Prior to the 1948 presidential campaign, truman won back the support of labor unions by highlighting his opposition to the taft-hartley act. supporting the passage of the national security act. pushing for equal rights for african american citizens. opposing the strikes of railroad and mine workers.