Answer:
Apartheid was a system of forced migrations
Explanation:
Also, there was a lot of slave trading. Also, it was pretty common for slave owners to breed with their slaves
Because the time span of Earth's past is so great, geologists use the geologic time scale to show Earth's history.
Hope this helped
Wind and erosion overtime
The answer is National security because the citizens need to know that they are being protected, and usually also how they are being protected. But the government often needs so measure of secrecy in order to protect National Security. If the government were to tell citizens exactly how they were being protected and someone posted it onto the internet it would severely compromise that protection. However people do not generally seem to understand that and tensions become heated between the two groups. Both sides reasons are perfectly legitimate, but one outweighs the other by knowledge. The answer is B.
