Archduke Franz Ferdinand of the Austria- Hungary empire was shot down, along with his wife by an assassins bullet when he was in Bosnia visiting Sarajevo.
The liberation of slaves delivered a serious blow to the South´s economy. It was based on slave labor and it was mostly agricultural. There were no black men for harvesting in the fields.
This policy is called imperialism.manycountries during this time period competed for power and seeked to gain more land or territory, and materials or resources for themselves.