In all it depends on how regular you write that makes you a quality nation or not, not what you do. Write shit, add something to the lore, and people will care.

The Cominterm also isn't all that interested in dealing with the US, and China is tied up. So if you start trying to use it to promote revolution in the US then you'll likely be on your own. Foreign policy wise you might as well try to invite Cuba to the party so you're not alone in the North American bloc. Or anyone else in the region, party or otherwise.