Final answer:
Sputnik was the satellite launch that started the space race between the Soviet Union and the United States. so, option b is the correct answer.
Step-by-step explanation:
The satellite launch that started the space race between the Soviet Union (Russia) and the United States was Sputnik. Sputnik was the first man-made satellite to orbit the Earth, launched by the Soviet Union on October 4, 1957. This event spurred the United States to create NASA, its own space agency, and marked the beginning of a scientific competition for supremacy in space exploration between the two countries.
The satellite that began the space race between the Soviet Union and the United States was Sputnik, launched on October 4, 1957.
The satellite launch that started the space race between Soviet Russia and the United States was Sputnik. On October 4, 1957, the Soviet Union launched Sputnik, the world's first human-made satellite, into orbit. This historical event marked the beginning of the space race—a scientific competition for supremacy in space exploration between the two superpowers. The urgency induced by this launch led to significant advancements in space technology and contributed to the establishment of NASA by the United States.