How did the northern Pacific railroad help define the era of "railroads, reform, immigration, and labor?"

Explanation: The Northern Pacific Railway (reporting mark NP) was a transcontinental railroad that operated across the northern tier of the western United States, from Minnesota to the Pacific Northwest. It was approved by Congress in 1864 and given nearly forty million acres (62,000 sq mi; 160,000 km ) of land grants, which it used to raise money in Europe for construction.Northern Pacific Railway Company, one of the northern transcontinental railroads of the United States, operating between St. Paul, Minn., and Seattle, Wash., and merged into the Burlington Northern in 1970. The Northern Pacific was chartered by Congress in 1864 to build a line from Lake Superior westward to a port on the Pacific coast and was given a land grant of 40,000,000 acres (16,200,000 hectares). hope this is hopeful

explanation:

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the answer is "focused on"

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