Workers were affected by scientific management because it caused workers to, in a sense, become replaceable. Workers, under scientific management, were considered to be parts in a machine which could be replaced. Correspondingly, specialization caused tasks to become routine, as workers were completing the same tasks repeatedly to a point were they became bored and exhausted of their jobs. This also led to there being a larger number of injured workers.
The correct answer is "A: The Great Migration".
The Great Migration was the relocation of more the 6 million African Americans from the rural and urban areas of Southeastern United States (the states of the former Confederacy) to urbanized locations in the northeast, midwest, and west of the country. This dramatically changed the population distribution of African Americans, as 90% of their total population lived in the Southeast prior to this policy but when it ended 50% would live in the designed areas for relocation.
The state that is governed by laws because the laws are the conditions of civil association
The North's goal was to invade the South to try to subdue their desire to secede, while the South's strategy was to defend their territory until the North gave up.