Title: Sino-Tibetan relations during the Ming dynasty.
Question: What year did Tang and Tibet sign a treaty to fix the borders?

Title: Nigeria.
Question: Which empire ruled Nigeria as a colony?

Title: Antenna (radio).
Question: What is frequently used to connect elements to the receiver?

Title: Pacific War.
Question:
In 2007 which Japenese Prime Minister said there was no proof of coercion of women to be sexual slaves?