Answer:
Explanation
The assassination led directly to World War I when Austria-Hungary subsequently issued an ultimatum to the Kingdom of Serbia, which was partially rejected. Austria-Hungary then declared war on Serbia, triggering actions leading to war between most European states.
Answer: George Washington
Explanation:
Most of Europe's population was killed during the time periods 1347 - 1350 with 30% to 65% of its population dead. The religions had like a downfall. Which all had a great impact on European history. I hope this helps! <3