Stronghold (1951)

Mary Stevens, a young American girl, goes to Mexico with her mother, to escape the strife of the Civil War in the United States. Once there, she gets caught up in love and politics as Don Miguel Navarro, a follower of Maximillian, battles Dom Pedro Alvarez, a follower of the exiled Juarez, and vies for her hand. The romance parallels the success of the Juarez movement.