After the success of the sputnik launch, the united states feared that.

a) they would never be able to launch their own satellite.

b) the ussr had used technology developed by the united states.

c)the soviets had superior nuclear capabilities.

d) that any future us satellites would not be as successful.

C. The Soviets had superior nuclear capabilities.

Explanation:

this is the answer on edge

sputnik was launched by the soviets and they were in an arms race.

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.