What form of PUT should I use in this sentence?

Many industries have all contributed to helping Quebec become a very economically influential province within Canada, second only to Ontario in economic____. PUT

Question

What form of PUT should I use in this sentence?

Many industries have all contributed to helping Quebec become a very economically influential province within Canada, second only to Ontario in economic____. PUT

Answer

output

Answer

I agree with Jonathan.

But I think the word 'all' is unnecessary, and possibly confusing.
> Many industries have contributed to

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