Other motives -- military , economic and political -- may have played a subsidiary part in the decision , the islands were annexed in 123 BC to complete the pacification of Transalpine Gaul and Sardinia .
Which were resisting due to pirate influences .
Although other motives -- military , economic and political -- may have played a subsidiary part in the decision , the islands were annexed in 123 BC to complete the pacification of Transalpine Gaul and Sardinia , which were resisting due to pirate influences .