User blog comment:Peteparker/Help! Assassin's Creed III, I don't get it./@comment-5579230-20121106230800/@comment-5579230-20121107123222

There are various maps throught the game: Boston, Frontier, Homestead and New York, all are large maps, full of things to do, are you sure you checked all locations?

You may have to do some Main Missions to unlock more Side Missions, maybe you are still too early in the game?

If you are having problems in achieving optional objectives, look for some walkthroughs on Youtube.

To understand the modern storyline, i think you should take a look either on the Internet or on the game itself.