How did American settlers view the territories in the West?

The completion of the railroads to the West following the Civil War opened up vast areas of the region to settlement and economic development. White settlers from the East poured across the Mississippi to mine, farm, and ranch. African-American settlers also came West from the Deep South, convinced by promoters of all-black Western towns that prosperity could be found there. Chinese railroad workers further added to the diversity of the region's population.

Explanation:

B)

Explanation:

The territories were ready to be claimed.

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profound political, administrative, and social changes in the british isles.