Problem: March 31, 1917 saw the US take possession of the US Virgin Islands, after spending $25 million to buy them from what country?
======
A: denmark

Q: """Is that your final answer?"" is a catchphrase associated with which TV quiz show?"
A: who wants to be millionaire

Problem: Which song by Irish band U2 is a tribute to Martin Luther King Jr?
Answer: pride in name of love

Q: What colour are tea leaves when they are picked
-----
A: green

Q: Whose record did Babe Ruth break when he hit 60 home runs in 1927
What is the answer?

A: his own

Problem: Known as the Golden State, what was the 31st state to join the Union on Sept. 9, 1850?
Answer:
california