Based on the clue 'china invaded vietnam the soviets invaded afghanis...', what is the answer?

What is referred to by 'china australia brazil'? What is associated with: china ceded this strategic territory to portugal on december 1 1887? What is referred to by 'china goes communist'? Based on the clue 'china has a grand one so does venice', what is the answer? Based on the clue 'china is the only country in the world with more t...', what is the answer? What is referred to by 'china japan south korea'? Based on the clue 'china or other ceramic objects can also be called ...', what is the answer? What is referred to by 'china russia canada'?