They weren't expecting it and didn't have a big army.
It depends on the type of demography and what the government in particular is doing as a result. For instance, a government may recognize that an area of high agricultural practice may be a good place for setting up large scale import/export area of goods. However, depending on the government, some groups of people may be left unattended while other groups attract much more attention.
<u>Answer</u>:
Reconstruction was the name given to the period of time in which the united states struggled to rebuild the South and bring it back to its union.
<u>Explanation</u>:
The period during which the US struggled to restore the Southern states is known as the Reconstruction Era. This period started in the year 1865 post the Civil War and ended in 1877. It was an effort by the US federal government to restore the destruction caused by the Civil War.
Reconstruction also ended slavery and it also attempted to make the freed slaves a citizen of the US. The federal government made three basic systems to restore the South: Executive, Legislative, and Judicial to work on the situations on three levels.