map of United States showing the many train lines of the Southern Railway system after the Civil War © 2012 The Exploration Company Railroads in the South were few before the Civil War. By the time it was over, most were destroyed. What does this map demonstrate?

Railway building was a priority in the south during and after reconstruction

Explanation:

After the civil wat, little progress were made towards the damage of the civil war. More people channeled their focus to building new Industries and factories than repairing the railway. The only new rail roads built was that that connects the North and South.

answer would be b, a tariffs main purpose is to protect domestic production and jobs.

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