Question

why did the British set up army cantonment

Answer 1

To improve the conditions of the government servicemen and for their protection.

Answer 2

Your Answer
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$The \: \: \: British \: \: \: set \: \: \: up \: \: army \: \: cantonment$
$to \: \: \: check \: \: \: foreign \: \: invasions$
$and \: \: \: internal \: \: \: revolts \: \: \: developed$
$into \: \: \: townships.$
$One \: \: example \: \: is \: \: Danapur \: \: near$
$Patna.$