Top 10 terrible decisions of the 20th and 21st century

Top 10 Terrible Decisions of the 20th and 21st Century
We all make bad decisions. Fortunately, our decisions don’t usually cause continent-wide destruction. Here are the most catastrophic decisions of the twentieth century. I think you’ll find a few surprises.
10
Bombing of Hiroshima and Nagasaki
9
Elite within the Democratic Party
8
Vietnam War
7
Iraq War
6
Foundation of Israel
5
Japanese Attack on Pearl Harbor
4
Mao Left in Power
3
British Guaranty to Poland
2
The Treaty of Versailles
1
British Involvement in World War I