D.retreating to one’s own “corner.”
Answer: The Soviet
Explanation: They launches the first man made object, the Sputnik, into space on October 4, 1957
U.S. participation in NATO was a break with tradition, since the United States for the first time set itself up to automatically get involved in foreign conflicts--something that was very unnerving for a country of people who for most of American's history had been very isolationist.
I would love to help but is there answer choices
survival of the fittest, in other words the Darwinian evolutionary theory. hope this helps!
