Riches from the land such as good and silver
The television would be the best resource to use, as nearly every home in the developed cities has a television. The best way is to advertise during popular shows. The internet is also another way to put up a good campaign.
France has a usable agricultural area of nearly 74 million acres (30 million hectares), more than three-fifths of which is used for arable farming (requiring plowing or tillage), followed by permanent grassland (about one-third) and permanent crops such as vines and orchards (about one-twentieth).