Verified answer

During his administration, the Interstate Highway system was started. In reaction to the Soviet launch of Sputnik, there was a new emphasis placed on math and science education. The beginnings of the space program were also a reaction to Sputnik. His administration used the U2 spy planes to do surveillance on the Soviet Union. He was able to see that the Soviet capabilities were less than others feared at that time.

Moderately. He was probably a better general than he was a president.

You could say that President Eisenhower held back the Communist advances through the United Nations and NATO, led a country recovering from the after-effects of World War II, helped to build back Germany and Japan (which led them to becoming allies of the U.S.), and was fortunate that the economy of the U.S. was pretty good during his presidency.