What was Sputnik? the first man-made satellite to orbit Earth

the first rocket to land on the moon

the first man-made satellite to orbit the moon

the first Russian dog to go into space

Sputnik was the first man-made satellite to orbit Earth, launched by Soviet Union on October 4, 1957, inaugurated the space age. Sputnik 1, the first artificial satellite launched, was a 83.6-kg (184-pound) capsule.

secretly cooperate with one another.

the noble might have thought that the system was far because they had lot of things and riches and the serf would have thought that the feudal system was un fair because of the way they were treated.