Drag the events in the arms race and space race between the United States and the Soviet Union in order.

(1 point)

1. Soviet Union successfully launches Sputnik, the first artificial satellite, into orbit.

2. United States responds by establishing NASA and sending Alan Shepard on the first US manned spaceflight.
3. Soviet Union puts the first human, Yuri Gagarin, into space.
4. United States successfully lands astronauts on the moon during the Apollo space program.
5. Arms race escalates with the development of intercontinental ballistic missiles capable of delivering nuclear warheads.