music: 60's Chart Toppers: Name The Artist: The Windows of the World?

Questions

What nation is the world's largest producer of tobacco?

What organization fought ecological battles from its flagship, Rainbow Warrior?

What relation was Genghis Khan to Kublai Khan?

What relative of Genghis Khan let Marco Polo ride elephants on hunting trips?

What religious leader did Apple yank from its "Think Different" ad campagn in Hong Kong so as not to offend China, in 1998?