I believe it is a literacy test. I hope it helps!
Some authors have commented about this matter saying that the principal event was the cold war between the soviet union and the United States between 1940s and 1950s which produced a histeria over the perceived threat posed by communist in the US.
By the other hand the events as:
1) World war I.
2) The Bolshevik revolution in Russia.
It became illegal to own slavessssssssssssssssssssss
1. Answer A
2. I believe answer A, but I may be wrong
3. Answer C
4. I believe it is B, but again, I may be wrong
5. Answer D
6. Answer A
7. Answer B
I hope I was helpful <3