Answer:
A The Americans built the Suez Canal.
That would be 4 Japan, where they dropped the two nuclear bombs in Nagasaki and Hiroshima
Reconstruction is largely seen as a failure, and many historians believe this was primarily because the South for so long had been dependent on slaves that in one swift motion the South's entire livelihood shifted. This dramatic shift was too much for the Southerners to absorb at once, and harsh Jim Crow laws sprang up.
Poor growing conditions, droughts, disease, Native Americans, less profit because it costed more to transport crops.
