In the early 1960s, why was the US concerned about falling behind the Soviets in achievements in space?

On November 11, 1966, Gemini 12, piloted by Edwin “Buzz” Aldrin, became the first manned spacecraft to make a re-entry into Earth’s atmosphere that was automatically controlled. The Gemini program was a success and moved the United States ahead of the Soviet Union in Space Race. Apollo Moon Landing Program

the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation: