How was the transcontinental railroad created?

Eight Irish tracklayers put down 3,520 rails, while other workers laid 25,800 ties and drove 28,160 spikes in a single day. On May 10, 1869, at Promontory Summit, Utah, a golden spike was hammered into the final tie. The transcontinental railroad was built in six years almost entirely by hand.

answer: c

explanation:

its just the right answer

the nationalists wanted a strong central government so the new country wouldn't fall apart.

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