Chicago board of trade
The Federal Farm Board tried to help farmers sell their crops and keep farm prices steady. Though it was established before the Great Depression, its powers were expanded to meet the growing needs of distressed farmers.
To help farmers to trade crops
well farmers farm crops, crops=food. and we kinda need food to live
Nothing, they help farmers by eating the aphids that eat their crops.
it help farmers to grow crops
silt helped farmers by giving them the fertile soil to grow their crops in.
The seed drill is the invention that helped farmers plant crops. It help plant crops more quickly and efficiently.
Irrigation
spiders eat the bugs which eats the crops that farmers plant and grow for food
They help to eat rats that feed on the crops.
because they need them to help with there crops