One way the united states reacted to the soviet launching of sputnik in 1957 was by?

Dwight D.Eisenhower was president of America during 1957 when Sputnik 1 was launched. The main reaction was fear. This is because the US government believed that the rockets used to launch the satellite to space, could be used to deploy nuclear missiles and attack the USA.

Primary sources are usually  more accurate and are written by someone who experienced it or witnessed it. secondary sources are those who heard of it after the fact that can lose details and or twist the event in a light that benefits them.