I think you cannot, however, because some Pokemon live in hoenn/sinnoh regions, but you can have a complete pokedex if you have an action replay.
Train them!
cheater
trade different people who have them
With your pokemon... noob
sorry you have to trade it to Pokemon soul silver
catch all the pokemon.
Action Replay DS
You should be able too by trading Pokemon.
Soul silver is AWESOMENESS!! yes GET IT
no
you have to go to Kanto
Yes you can. I do it all the time.