Some North American States, Provinces, and Territories:

'Yucatan' 'BC' => 'Baja California', 'OA' => 'Oaxaca' ]; $us =[ 'MD' => 'Maryland' 'IL' => 'Illinois' 'PA' => 'Pennsylvania' 'IA' => 'Iowa' ]; $canada =[ 'QC' => 'Quebec', 'AB' => 'Alberta', 'NT' => 'Northwest Territories', 'YT' => 'Yukon', 'PE' => 'Prince Edmund Island' ]; $n_america = [ 'Mexico' => $mexico 'United States' => $us, 'Canada' => $canada ]; foreach ($n_america as $country => $list){ echo "

$country

"; foreach ($list as $k=> $v){ echo "
  • $k -$v
    • \n"; } echo''; ?.