Where was antifederalist support concentration?

If you are talking about what I think you're talking about it happened during early america and they would have been concentrated to upwards in the Yankee area of new England simply because they we're a group of people against the constitution, sorta like liberalism people today marching against president trump and all that. 

It could be anything, recent improvements in technology/telecommunication/internet have increased the pace of globalization.generally, it has something to do with technology. globalization means that people around the world are brought together through technology which speeds things up. so maybe some of those options could be correct. : )