<span>The factory system brought people from the farms to the cities to work together.
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Factors leading to the expansion of the Texas frontier. Texas Frontier Timeline, 1866-1875 · Texas Frontier Timeline, 1876-1882 · U.S. Army on the Texas Frontier · Windmills · "Forting up" on the West Texas Frontier.
The United States military supported Panamanian rebels seeking independence from Colombia.