The correct answer is: Cold War-era competition between the
United States and the Soviet Union
The launch of Sputnik which was the first artificial Earth satellite
launched by Moscow in 1957 sparked U.S. fears of Soviet dominance in technology
and outer space. This resulted in the creation of NASA and the space race.
Answer: Following explanation is below.
Explanation: They were concerned that accepting refugees would put their own citizens at risk and did not believe that the refugee crisis was their problem to fix.
Fewer cities<span> developed in the </span>South<span> because there was little need for them.</span>