Your answer is C.
On August 7, 1964, Congress passed the Gulf of Tonkin Resolution, authorizing President Johnson to take any measures he believed were necessary to retaliate and to promote the maintenance of international peace and security in southeast Asia.
C. Polandshould be answer
This includes the Four Great Inventions: papermaking, the compass, gunpowder, and printing (both woodblock & movable type)
Other well-known achievements is the creation of the Great Wall and a large army of Terracotta Warriors.