Although initial reservations had been expressed about whether the Legion should be used outside Africa as well as making a cohesive single entity of what had previously been two separate foreign regiments .
Africa is the Crimean experience established its suitability for service in European warfare .
Although initial reservations had been expressed about whether the Legion should be used outside Africa , the Crimean experience established its suitability for service in European warfare , as well as making a cohesive single entity of what had previously been two separate foreign regiments .