Answer:
B. South Africa, from 1948 to 1994 to separate races.
Explanation:
Before Nelson Mandela came to power on 1994 South Africa was known for Apartheid.
ANC or African Nationalist Congress was struggling to free South Africa from the British colonial rule, Apartheid and racism which became true when Nelson Mandela came to power.
Apartheid was also characterized by 'Minority rule'
Hope it helps ;)
This means that star A is 5 times as luminous as star B
"Theorem" is likely to be subject to be a direct geometric proof.
If I'm not wrong, that would be the prime meridian. The prime meridian is the line of 0 longitude.
According to NASA the only one of these that actually seems to be a real type of galaxy would be C. Barred Spiral Galaxy. I hope this helps :)