Answer:
Though Sputnik was a relatively simple satellite compared with the more complex machines to follow, its beeping signal from space galvanized the United States to enact reforms in science and engineering education so that the nation could regain technological ground it appeared to have lost to its Soviet rival.
Also US Feared that they created a space and weapons program.
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The problem was an increase in the number of cars.
Many people will tell you that Los Angeles is the city of the automobile. They famous LA highways and roads are featured in many forms of art be that movies or novels. The car is a symbol of Los Angeles. But that also created many problems such as high traffic, which results in long standstills and increase in pollution.
