From the Latin root campus (<<field; plain. compare Old English campe, compe battle, battlefield).
The word camp refers to a large tract of open country, usually far from a city or a town.
Camp is also the terrain that has been occupied by the army during war operations.
Camp is also used referring to a cultivation or sowing land or crop.
Mexico is a very fertile land, quite suitable for cultivation.
In Mexico, dead bodies are sown.