Answer:
Humanism
Explanation:
Humanism studies the difference between Humans and animals, things like how they walk, how there brain works, how they eat, what is they're language like, etc. :D
Yuri Gagarin was a cosmonaut for the Soviet Union. On April 12, 1961, he became the first person to travel space
Your answer would be the printing press
The answer for the question would be A.