James J. Braddock in training for heavyweight boxing match with Max Schmeling

The speaker is in excellent physical condition for an upcoming fight and is determined to retain their title in the United States.

What does the speaker mean by being in a great shape for the fight?

How does the speaker's preparation reflect their commitment to the fight?

What title is the speaker referring to?

Why is it important for the speaker to keep the title?

What significance does the speaker attribute to the USA in the context of the title?