Problem: In which decade of the 20th century was Brad Pitt born?
======
A: 1960s

Q: In Greek mythology who spent 6months of every year in the underworld, a symbolic reference to the germination of seeds and their rebirth every spring?
A: persephone

Problem: What does an ethologist study?
Answer: animal behaviour

Q: Poetess Emma Lazarus was born on July 22, 1849 in New York City, and is best known for her poem The New Colossus, which is prominently displayed where?
-----
A: base of statue of liberty

Q: Which company produced the WW1 aircraft the 'Camel'?
What is the answer?

A: sopwith

Problem: What treaty was signed in Paris in 1815 after the overthrow of Napoleon, whereby Alexander I of Russia, Francis II of Austria and Frederick William II of Prussia agreed to apply Christian principles to the government of their countries?
======
A:
holy alliance