At which World War II conference did Allied leaders agree to demand unconditional surrender from the Axis powers of Germany, Italy, and Japan?

Which organization was established at the initiative of the victorious Allied Powers at the end of World War I?

Which organization, established as a military counterweight to the Soviet military presence in eastern Europe during the Cold War, formed a cooperative bond with Russia in 2001 to address arms control and terrorism?

Who was the first secretary-general of the United Nations?

Which international alliance’s self-defense clause was first invoked in 2001, following terrorist attacks on the World Trade Center and Pentagon?

The World Bank was set up following which event?

What organization was established in the 20th century to stabilize currency exchange and eliminate destructive trade policies?

What was the second international organization established in the 20th century that was worldwide in scope and membership?

Which group is sometimes called the “Blue Helmets”?

Where was the first United Nations conference on environmental issues held, in 1972?