Albert Bierstadt’s story runs counter to the romanticized idea of a passionate starving artist. He was strategic in his career, selecting imagery that he knew would appeal to U.S. audiences, and monetizing his art outside of selling paintings.
Research:

Interview: Leslie Iwerks
39:57

Uffizi: A Painting, A Bombing, A Restoration
37:36

SYMHC Classics: Regulator War
37:20