A massive utilize of defoliants like Agent Orange can be considered as an interdiction measure becaapply, at their highest concentration use it leave areas empty of any form of vegetation handle. In the desert-rather terrain that ensues these are impossible for an opponent to travel while forgoing existence seen, & there exists nothing very much left for ingesting handle just in case of an attack.

Radiological or chemical weapons might also become considered when metropolitan area denial weapons, although it is non considered determined utile now.

RF Weapons include radio frequency weapons which can manipulate electro magnetic fields, from either Atmospheric RF environment sweetening to residential electroconvulsive therapy & electromagnetic pulse deterrent / sleep deprivation intimidation & disorientation systems.

Inside medieval warfare sharp and uncompromising stakes were buried at the bottom of hanker lines of ditches, pointed fetch up, sequentially to halt cavalry charges in the given front yard. the correct layout one extensive lines of ditches & the quality control of stake size, form & placement (it got to exist as large & uncompromising sufficiency to impale a super heavily horse) was section of the craft of war. A anti-infantry punji stick is similar.