Title: Sino-Tibetan relations during the Ming dynasty.
Question: Since what century has Sperling described Ming and Tibet's relation being problematic for China? 

Title: Presbyterianism.
Question: Which muslim country does Korea have a Presbyterian church in?

Title: IPod.
Question: Apple was involved in a lawsuit with which company in 2007?

Title: Canadian Armed Forces.
Question:
Where do Canadian Forces members go for training?