Red China vs Asia

Red China and Asia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Red China	Yes	No	No	No
Asia	Yes	No	No	No

Red China (noun)	Asia (noun)
a communist nation that covers a vast territory in eastern Asia; the most populous country in the world	the nations of the Asian continent collectively
	the largest continent with 60% of the earth's population; it is joined to Europe on the west to form Eurasia; it is the site of some of the world's earliest civilizations