The slave trade played a major role in helping Europeans take control of much of Africa in the 1800s, since this allowed them to do business with local slave dealers and form alliances that kept them safe.
1945 is when the dreaded WWII ended
When Jesus said "love your neighbor as yourself," his message was that you should treat people how you want to be treated. In other words don't steal if you don't want to be stolen from.
They were not treated very well.
In most cases all over the world, people who held the majority religion tend to discriminate against the minority religion.
The jews were forced out of several living territories in Muslim Spain, which force them to migrate into a place that hasn't been settled yet.
