One just has to block traffic in and out of the coastal cities for two weeks Just peacefully block all the highways.

After the first few days, the looting and pillaging starts. They always forget - first you loot, then you pillage. People will try to leave the cities on foot. After a week, the vibrant diversity of the inner cities will have worked it's magic. After two weeks, everyone that's left is probably ready to overthink their political position.

You wouldn't even need that much people. Some truck drivers. Some Farmers with old equipment to create highway barricades, make be a few militiamen to hold them...

One just has to block traffic in and out of the coastal cities for two weeks Just peacefully block all the highways.

After the first few days, the looting and pillaging starts. They always forget - first you loot, then you pillage. People will try to leave the cities on foot. After a week, the vibrant diversity of the inner cities will have worked it's magic. After two weeks, everyone that's left is probably ready to overthink their political position.

You wouldn't even need that much people. Some truck drivers. Some Farmers with old Equipment to create highway barricades, make be a few militiamen to hold them...