▁n uis ance , ▁and ▁these ▁were ▁relax ed ▁only ▁in ▁times ▁of ▁war ▁when ▁the ▁urban ▁popul ace ▁was ▁encourag ed ▁to ▁provide ▁food ▁for ▁itself . ▁ ▁Urban ▁relief ▁gard ens ▁played ▁an ▁important ▁role ▁in ▁sust aining ▁large ▁populations ▁of ▁Americans ▁during ▁economic ▁de press ions . ▁ ▁War ▁gard ens ▁played ▁an ▁important ▁role ▁in ▁the ▁nation wide ▁effort ▁to ▁help ▁win ▁both ▁World ▁War ▁I ▁and ▁World ▁War ▁II . ▁ ▁These ▁victory ▁gard ens ▁made ▁garden ing ▁a ▁patri otic ▁activity ▁and ▁introduced ▁garden ing ▁as ▁an ▁activity ▁for ▁everyone , ▁not ▁just ▁those ▁too ▁poor ▁to ▁buy ▁their ▁own ▁food . ▁ ▁Later , ▁in ▁the ▁late ▁ 1 9 6 0 s ▁and ▁ 1 9 7 0 s , ▁community ▁garden ing ▁started ▁to ▁make ▁a ▁com eb ack ▁as ▁a ▁h ob by . ▁Organ ic ▁garden ing , ▁urban ▁animal ▁husband ry , ▁and ▁community ▁far ms ▁became ▁popular ▁and ▁many ▁cities ▁around ▁the ▁country ▁started ▁community ▁garden ing ▁programs ▁for ▁their ▁residents . ▁ ▁Rev ival ▁In ▁Canada ▁and ▁the ▁United ▁States , ▁the ▁raising ▁of ▁ch ick ens ▁on ▁urban , ▁sub urban , ▁and ▁small ▁town ▁resident ial ▁lots ▁has ▁become ▁increasing ly ▁popular . ▁For ▁example , ▁in ▁Mad ison , ▁Wisconsin , ▁citizens ▁formed ▁a ▁group ▁called ▁the ▁Ch icken ▁Under ground , ▁over turn ed ▁a ▁ban ▁upon ▁domestic ▁ch ick ens ▁and ▁there ▁are ▁now ▁ 8 1 ▁registered ▁own ers . ▁ ▁A ▁film