Those conscripted may evade service, sometimes by leaving the country, and seeking asylum in another country.
Some selection systems accommodate these attitudes by providing alternative service outside combat-operations roles or even outside the military, such as 'Siviilipalvelus' (alternative civil service) in Finland, Zivildienst (compulsory community service) in Austria and Switzerland.
A number of distinguished military commanders of the Ottomans, and most of the imperial administrators and upper-level officials of the Empire, such as Pargalı İbrahim Pasha and Sokollu Mehmet Paşa, were recruited in this way.
In return for this service, people subject to it gained the right to hold land.
The historian David Sturdy has cautioned about regarding the fyrd as a precursor to a modern national army composed of all ranks of society, describing it as a "ridiculous fantasy": The persistent old belief that peasants and small farmers gathered to form a national army or fyrd is a strange delusion dreamt up by antiquarians in the late eighteenth or early nineteenth centuries to justify universal military conscription.
The system of military slaves was widely used in the Middle East, beginning with the creation of the corps of Turkish slave-soldiers (ghulams or mamluks) by the Abbasid caliph al-Mu'tasim in the 820s and 830s.
With the exception of a few exempted classes, this was forbidden by the Code of Hammurabi.
Under the feudal conditions for holding land in the medieval period, all peasants, freemen commoners and noblemen aged 15 to 60 living in the countryside or in urban centers, were summoned for military duty when required by either the king or the local lord bringing with them weapons and armor according to their wealth.