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To encourage settlement of the West, the government opened former Indian reservation land to homesteaders.
To encourage settlement of the West, the government opened former Indian reservation land to homesteaders.
Tribal leaders, including these Arapaho and Cheyenne delegates, negotiated with federal authorities in Washington, D.C.
Tribal leaders, including these Arapaho and Cheyenne delegates, negotiated with federal authorities in Washington, D.C.
In 1889 and 1893, homesteaders staked claims on land in the Cherokee Strip, Oklahoma Territory.
In 1889 and 1893, homesteaders staked claims on land in the Cherokee Strip, Oklahoma Territory.
In 1913, Congress authorized dam construction in Yosemite’s Hetch Hetchy Valley, despite objections of conservationists.
In 1913, Congress authorized dam construction in Yosemite’s Hetch Hetchy Valley, despite objections of conservationists.
Pittsburgh’s steel mills propelled industrial prosperity, but left its residents living in smoke and smog.
Pittsburgh’s steel mills propelled industrial prosperity, but left its residents living in smoke and smog.