context: Space competition began on October 4, 1957, when the Soviet Union launched the world's first satellite Sputnik 1. Space competition comes from something similar to the arms race. Space competition became an important part of the cultural, technological and ideological confrontations between the United States and the Soviet Union during the Cold War. Space technology was particularly important during this competition because space technology was applied to the military sector and it was a matter of national pride.
question: What is the first successful satellite in human history?
answers.text: Sputnik 1