The convention was a military expedient to deal with a military necessity. Although politically expedient, such endogamous marriage created tension with the traditional principles within Somali culture. The Founders had inserted both principled and expedient elements in the establishing documents. The summary executions were an expedient to discourage further violence. The next best expedient, it has been thought, therefore, is to pay them for buying. Such men were more likely to disregard rules and were more expedient, suspicious and jealous. An expedient way to obtain these coefficients is the following. Crittenden's support of a new election was both popular and politically expedient. The tactic was used as an expedient by the Red Army during World War II. Therefore, it has been called a "military expedient". There were strong expedient reasons for this change. Warhol habitually used the expedient of tracing photographs projected with an epidiascope. The gene-model approach is the most expedient in this case. The concept aircraft was to operate from expedient forward air bases using roads as runways. But soon another and cheaper expedient presented itself.