Roman siege engines BC, and surrounded by Roman fortifications. As was standard siege technique at the time, "ballistae" were placed up in the towers with other soldiers armed with either bows or slings. The onager was a post-classical Roman siege engine, which derived its name from the kicking action of the machine, similar to that of an onager (wild ass). It is a type of catapult that uses torsional pressure, generally from twisted rope, to store energy for the shot. The onager consisted of a frame placed on the ground to whose front end a vertical frame of solid timber was rigidly fixed;
Animal law of the rights of animals to pragmatic discussions about the rights of those who use animals, who has standing to sue when an animal is harmed in a way that violates the law, and what constitutes legal cruelty. Animal law permeates and affects most traditional areas of the law including tort, contract, criminal and constitutional law. Examples of this intersection include: A growing number of state and local bar associations now have animal law committees. The Animal Legal Defense Fund was founded by attorney Joyce Tischler in 1979 as the first organization dedicated to promoting the field of animal law