The US-Mexican War tells the dramatic story of a war in which Mexico lost almost half of its national territory to the United States. This critically-acclaimed documentary series explores the events surrounding the conflict between two neighboring nations struggling for land, power and identity. In a scene that looks at people on both sides of the Rio Grande, the music underlines the resignation of families with much in common caught between two governments who are destined to clash. The segment is aptly titled, "Neighbors and Strangers".