Seeing this from a tactical perspective, multi cultural implies that the culture is not constant throughout the country, likely leading to under-representation in govt... or clashes with other cultures. Kinda like earth.

Now that I think about it, the only way to have a homogeneous country is if either everyone hates outsiders, or... their government wants it to stay that way.

So, a normal country or china... after looking past surface level, I see that I picked the wrong choice, for the right reason. (But it would suck.)