How did working on a job on the railroad as a young man andrew carnegie become a success later in life?

Its A) it helped him see the increased need for steel

Explanation:

I put down C cus of the other answer on here and I got it wrong

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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