States may not enter into any , grant letters of , coin , emit bills of , make anything other than gold or silver coin a or pass any , laws.

It is state and federali really hope this  

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. : )