What was the main principle behind apartheid in south africa

What from the columbian exchange had perhaps the biggest impact on the world?

Brainliest answer is provided who made this world? who made us? who made everything?

Which of the following is not true about isaac stevens, the first territorial governor of washngton a he was friends with the president franklin pierce b he graduated first in his class at west point academy che served in the mexican-american war he reluctantly accepted the job as governor