Yes of course!
There are some more Sidemissions after you beat the main missions.
Also you can try to join a club or get all the archievments
you just keep playing it.
if you mean for them to get to the rank of assassins then you need to keep sending them on missions and earn xps
just wait until the end of the credits. Desmond will be back on the island, or you will be ezio in Constantinople and you just keep playing
I think you do
You don't get a stone tomahawk until your teenage Connor and you get an assassins tomahawk when you get given the robes for an assassin when your grown up assassin. If you keep playing the story mode, eventually you will get the different types of tomahawk
keep on climin biuldings and you'l get there. its not that hard.
Because I keep hearing "Shoot! Shoot the flying demon!"
if its on ps3 you hold down R1 and keep pressing x
if your current sword is hit away by a brute then you can pick up and permanently keep a new sword.
Nobody knows, all will be revealed in the next game. I personally can't wait!
just keep progressing through the story and you will get it eventually because it is gained as part of the main story
There is no health cheat, just keep completing assassinations and you'll gain more health bars