Answer: He created the concept of the "kindergarten".
Explanation: He created the concept of the "kindergarten" and coined the word, which soon entered the English language as well. He also developed the educational toys known as Froebel gifts.
I believe it is A, because of the education that could now be explored at universities.
Answer: The Soviet
Explanation: They launches the first man made object, the Sputnik, into space on October 4, 1957