The assassination of Franz Ferdinand is what started WW1, which was done by Serbian rebels, but the county was Austria-Hungary. The two nations that escalated the conflict was Russia, who supported Serbia, and Germany, who supported Austria.
Because there was a higher concentration of Jews in Poland than almost anywhere else.
Octavius caesar, better known as Augustus
Lance Mackey and Rick Mackey.
The Sparta, Athens, and other Greek communities collected natural resources to build walls to protect them from external attacks. However, they eventually succumbed to attacks via the ocean route.