What kind of disagreement did Mary Jackson and John Becker have? Do you think that Mary will use the moment as motivation in the future?

The disagreement between mary jackson and john becker happened when John Becker did not approved the result of assignment that is made by Mary Jackson.

As it turned out, John Becker was in the wrong side of the argument because he had the wrong input data.

And yes, i think mary will use this as motivation in the future. She just experience how standing up for herself (when you're sure you're doing the right thing) will gain her respect in her field