Answer: The Soviet
Explanation: They launches the first man made object, the Sputnik, into space on October 4, 1957
Answer:
Choice C
Explanation:
The other three choices would be related most to a primary document- from the viewpoint of someone who was present or witnessed the event itself. Secondary choices (like a textbook on WWII) present the viewpoints of someone who has studies primary sources to reach a set of conclusions.
Carbal was the first explorer to sail to the east coast of South America. He sailed for Portugal. Hope it help!