After the success of the Sputnik launch, the United States feared that -they would never be able to launch their own satellite.
-the USSR had used technology developed by the United States.
-the Soviets had superior nuclear capabilities. <---?
-that any future US satellites would not be as successful.

 After the success of the Sputnik launch, the United States feared that

Explanation:   After the success of the Sputnik launch in 1957, the US feared that they would not be able to send satellites to space. Their earlier attempts of building and sending a spacecraft failed miserably, and the Soviets successfully did it. It gave rise to the era of cold war.

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.