[central_va]

Most US cities have major seaports where they can import all the food and arms they need.

[Wonder Warthog]

"Most US cities have major seaports where they can import all the food and arms they need."

Some few do. Most do not. Look at a map.

[Semper Vigilantis]

If uneducated Somali pirates with AKs can take over a ship I imagine a fleet of pizzed off Patriots can reroute, discourage or blockade most shipping. Disabling dredges will put a dent in quite a few too.