I have seen multple videos on the battle from both sides including a great step by step series.
This one below is very the best. I have defended Custer from the usual crowd that love to slap the arrogant racist moniker on him and dismiss him but, yeah, he had warnings enough.




When a country is well governed, poverty and a mean condition are something to be ashamed of. When a country is ill governed, riches and honors are something to be ashamed of
. Confucius