If Americans took soccer serious, would they become good?

Anonymous

Obviously Americans don't care about the soccer WC too much. Their sports are American football, basketball and baseball instead.

If they were to start caring about the soccer WC and if they wanted to get better, could they become good at it? Would they be capable of becoming a great team if they were to start caring about it?

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Would that team then be capable of becoming stronger and apply their full potential?
If Americans took soccer serious, would they become good?
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