Answer:
<h3>World War I was known as the “war to end all wars” because of the great slaughter and destruction it caused. Unfortunately, the peace treaty that officially ended the conflict—the Treaty of Versailles of 1919—forced punitive terms on Germany that destabilized Europe and laid the groundwork for World War II.</h3>
Churchill and Roosevelt appointed D.) Dwight D. Eisenhower to lead the invasion on Normandy
Ordering a naval blockade near Cuba.
Explanation:
Russians were transporting nuclear weaponry through submarines to Cuba. The US gave Russia the ultimatum of turning around of facing consequences.
Known today as the Cuban Missile Crisis.
I'd say pollution or disease.
