I’ll put you as brainliest

why did the american indian victory at the battle of little bighorn lead to an eventual american victory in the american indian wars?
a) the us army’s defeat convinced white americans to support more aggressive war against the american indians
b) the american indians could not continue the war becuase they had taken so many casualties
c) the american indians grew overconfident and stumbled into a series of american ambushed
d) the us army’s defeat convinced white americans to use peace talks to trick american indians into accepting bad treaties.