Rice Nation

For some reason Chinese people call the USA = Rice Nation

Chinese person A:

Hey, did you hear that Xiao Shen went to Rice nation?
Chinese person B:
Oh awesome, what did he say? Are they as fat as they are described?

Sun nation

Chinese call Japan as sun nation

Chinese person A:
Hey Xiao Shen went to the Sun nation for the holiday
Chinese person B:
So, did he visit Mt Fuji?