Accuracy diminished by lazy footage inserts

Frequently in this series we see video clips of trains moving through the countryside. 90% of the time, they are BRITISH TRAINS in the British countryside. They unashamedly show titles such as L.M.S. on the cars (LMS = London, Midland, Scottish) or even the Lion symbol of British Rail. If you are that careless, how careless have you been with the story-line. And why did you not know that Andrew Carnegie was working for Tom Scott at the outbreak of the Civil War and was sent for by Lincoln to manage the Railroads for the Union Army.