W. C. Handy was considered the "father of the blues" because:

I thinks the answer it’s A.

It depends on what type of third separates the three notes.for example: if you have two mayor thirds is an "aumented chord"if you have two minor thirds is an "diminued chord"if you have one mayor first and then one minor is a "mayor chord"and inverted is a "minor chord"

Good patients tbh with you