The correct answer is Friedrich Frobel
He was a German pedagogue who is credited with creating the foundation for modern education. He recognized that every child has certain capabilities and their unique needs which are different from other children which enabled him to develop theories of education. He actually created the word kindergarten as a coinword used in his works.
The Allies decides it was important to attack Japan before attacking Germany.
Answer: Japan
He made spys and the cia and fbi go and kill them
In general the common argument is "This development paved the way for the use of nuclear energy". There are of course cons to nuclear power as well, but these are known.