When Washington decided to just be in office for four years and a precedent is when you set an example for other s
There were already high tensions between the countries in Europe and the assassination led to ww1. They also were all in alliances with each other.
They still lived in ghettos, despite being "free", they lived under the shadow of slavery, since, unlike those from the north, they were not allowed many things, like congregating in a church, they were not allowed to travel, vote, or enjoy certain rights, so they just wanted to keep their freedom, no matter what.
The Middle East I think probably