During the First World War , Cary fought with a Nigerian regiment fighting in the German colony of Cameroon . During the First World War Cary served with a Nigerian regiment fighting in the German colony of Cameroon .
Semasa Perang Dunia Pertama, Cary bertempur dengan rejimen Nigeria yang bertempur di tanah jajahan Jerman Cameroon. Semasa Perang Dunia Pertama Cary berkhidmat dengan rejimen Nigeria yang bertempur di koloni Jerman Cameroon.