Why were so many rails laid between 1870 and 1890?

he decade had its problems. It began with the financial Panic of 1873. Railroads were growing so fast that nearly 6,000 miles were being laid down every year (17,000 miles between 1871 and 1873). With so much new construction, lending was strained and overextended.

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the answer is b. osage.

which

like dude you only explained

the problem not the