The correct answer is - natural selection.
This is a typical case of natural selection, where we have a group of people that have similar physical traits, that are selected and than isolated from any external influence, so with interbreeding they manage to keep their physical traits for generations to come and thus create a population that resembles their initial ancestors.
The right answer for the question that is being asked and shown above is that: "B. the Russian Empire" Between 1870 and 1900, a number of new nations were created from <span>B. the Russian Empire</span>
The main way in which this occurred was that these trials put the most notorious and high-ranking Nazi officials on the stand, making them attest to their crimes and then punishing them--often with death.
The Federal deficit has reached into the trillions of dollars so the answer is true.