Why did reasons the united states shipping industry flourish in the late 1700s

The development of a large merchant marine, the invention and spread of steamboats, and the expansion of domestic shipping..
I hope this helps you :)

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. : )