Which of the following conclusions about American identity following the Civil War is supported by the widespread postwar use of the terms carpetbagger and scalawag in the South? A. Americans adopted a more unified national culture during the process of Reconstruction, B. Southerners considered Northerners to be dangerous outsiders during Reconstruction.
C. Both Democrats and Republicans became more moderate as a result of Reconstruction.
D. African Americans became more integrated into Southern society during Reconstruction.

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explanation:

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.

the correct answer is:   the domino theory states that if one country in a region came under the influence of communism, then the surrounding countries would follow in a domino effect.

where is the map at?