sentences:  The Government's new "spheres of influence" aviation policy confined BCal's long-haul scheduled operations to two continents – Africa and South America.The loss of BCal's East African routes enabled the airline to replace the one-stop scheduled service via Nairobi to Lusaka with non-stop flights.During 1976, BCal's recovery continued, leading to the introduction of a new scheduled route to Algiers and the reinstatement of scheduled services to Tunis.