the authentic definitive hollywood film record for posterity of one of the two core dynamic which make or make the american west represent post civil war northerner [ yankee ] verse southerner and equal westerner . what a stupendous clash of titan . ( the other of the two fundamental dynamic be of course the clash with native american [ indian ] . ) . the same conflict of culture and politics and vision and bitterness or resentment or revenge even language and religion ( or the lack thereof ) ferment before and during the civil war be continue or extend to the west for at least 20 year follow the close of the great war between the state and with that most famous of bar room brawl gloriously epitomise or personify these very conflict . a must see for any serious student of real american ( especially southern ) history .