
Albert Bierstadt, Valley of the Yosemite (1864)
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“Bierstadt’s paintings, specifically ones with the Yosemite Valley as subject matter, resonated with many Americans as an untouched paradise during a time of unrest, as the American Civil War occurred. Furthermore, upon seeing these Yosemite-themed paintings, it spurred Americans to protect America’s natural landscape. With public support, President Abraham Lincoln signed a bill protecting Yosemite’s natural beauty, preserving it as a park for the public to enjoy.”
Source: Wikipedia