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Incorrect! Nice try though. That was a hint, not the answer!

American Dream is the answer

Nope, sorry!

Persistence is the answer

Persistence may lead to the answer, but it's not thee answer. Sorry!

Answer is SUCCESS

You will be successful if you answer correctly. You did not answer correctly!

Endurance and never giving up even when it's hard

Nope, sorry again! Did you notice I added a hint?