Which dog is "The American Gentleman"?

Clues:

1. They were originally bred for fighting.

2. They are affectionate.

3. They are highly intelligent.

4. They have a gentle temperament.

5. They do not bark a lot.

6. They are stubborn and need consistency when training.

7. They are good with children.

8. They are easy to groom.

9. They are the mascot for Boston University.

10. They look distinguished with their tuxedo-like markings.

Answer: The Boston Terrier

Source: https://dogtime.com/dog-breeds/boston-terrier#/slide/1