Most Aggressive Breeds!!!

Share your thoughts on breed aggression

Just curious what people think the most aggressive dog breed is. Which dog breed would you never own?

Boxer
Pitbull
Bulldog
Siberian Husky
Rottweiler
Doberman
Boston Dog
Jack Russell
Chow Chow
Great Dane
Mastiff
German Shepherd
Malamute

And why is the pitbull one of the only dog breeds that BANNED in several places? There are hundreds of different dog breeds and the pitbull is one of the only ones that are banned.