Question

While Soviets rejoiced in the success of the Sputnik program, Americans

feared Soviet advancements in science

decided to work cooperatively with the Soviet on a space program

reacted by developing a hydrogen bomb

used it to gather support for the 1980 U.S. Olympic hockey team

Answer 1

The best answer is the first one. The Americans were freaked out for a number of reasons. One, the Soviets launched a satellite into space before we did. Two, if they could launch a satellite into space, their rocket tech was considerably advanced giving them the kind of range that could threaten the US from around the globe.

Answer 2

Thanks mate!