Financing the Transcontinental Railroad<span>. The first </span>transcontinental railroad<span>, built between 1864 and 1869, was the greatest construction project of its era. It involved building a line from Omaha, Nebraska, to Sacramento, California, across a vast, largely unmapped territory.</span>
Answer: It is B. The explanation is down there.
Explanation: Since half of the economy of the 8 countries were successful in earning money, they have created an industrialized country for themselves. Meanwhile, the other 4 unsuccessful countries have lost money and created an unindustrialized country for themselves.
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