if their credit system is linked with the american one (meaning if I maintain good credit on a canadian card will I have good credit in the american credit system?)
Pre Google answer:
Highly doubtful the credit systems are linked, Your Canadian bank doesn't have your SSN or American address, what would they use to track you?
Post Google answer:
Short version: No (besides for TU maybe), long answer
here (6 years old, but a lot of the concepts are still the same).