The image shows Chinese pottery. A vase and a pot with a lid. Both pottery items are white with leafs painting in blue.

How does this image explain cultural diffusion?

It shows the Islamic influence on Chinese pottery making.
It shows how the Chinese learned new food-storage methods.
It shows the difference between Buddhist and Islamic cultures.
It shows how cobalt was spread from Chinese to Muslim culture.

I think it is.

It shows how cobalt was spread from Chinese to Muslim culture.

Because colour of cobalt is blue. And I don't think that chinese and islamic culture had influence if each other on them.

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.

(1)representation based on state population (2)all states have equal representation apex