The answer would be Anti-semitism
The answer for this question is: <span>the election of Abraham Lincoln as President
Abaraham Lincoln was always known as someone that really see slavery as something that undermines human's value.
Not long after elected as president, Abraham Lincoln made several policies that make it harder for the southern states to keep their slaves, which led to the first secession.</span>
<span>i think is this one -adoption of a social caste system </span>
<span>Azimuthal Stereographic map projections are often used to show polar regions. It is not know the exact date that Azimuthal Stereographic map projections were created but a document called Planisphaerium by Ptolemy is the oldest known document to mention it though it was called planisphere projection in that document.</span>
Answer:
They need to move around because every time they hunt the population of whatever they are hunting decreases.