I for one had never understood why the forts disappeared in Rome, (and I cant remember for the life of me if they did in M2, too much beer and its 2:30 am lol). A fortified camp is one thing, but Roman forts and 18th century forts (even wooden ones on the American frontier) were no shabby thing. They would be permanent fixtures once built.

I am sorely bummed out that we can't name our forts though, instead of the randomly generated names.